Publications

atypical dengue meningitis in makkah, saudi arabia with slow resolving, prominent migraine like headache, phobia, and arrhythmia.	although dengue meningitis is a rare presentation of dengue infection, our aim is to focus on atypical presentation of dengue meningitis that may appear in dengue endemic area like the makkah region. we report two cases of clinical meningitis with positive dengue virus (denv) igm in cerebrospinal fluid, followed for minimal 3 months for their prominent attacks of migraine like headache, phobia, and arrhythmia. with special consideration to attack time, type, severity, and respond to classical th ...	24672183
transition in the cause of fever from malaria to dengue, northwestern ecuador, 1990-2011.	in tropical areas, the predominant cause of fever has historically been malaria. however by 2011, among febrile patients in northwestern ecuador, dengue was identified in 42% and malaria in none. this finding suggests a transition in the cause of fever from malaria to other illnesses, such as dengue.	24047566
global consensus sequence development and analysis of dengue ns3 conserved domains.	the dengue virus (denv) genome encodes 10 different genes including the ns3 gene, which has a protease and helicase domain used in virus replication. this domain is a potential target for antiviral agents against dengue. due to a high mutation rate, denv is classified into four major serotypes (denv1-denv4). this study was designed to perform conservancy analysis of all four serotypes by drawing a consensus sequence for each serotype and then drawing a global consensus sequence to study conserve ...	24083095
dengue: profile of hematological and biochemical dynamics.	the objective of this study was to correlate laboratory tests during the evolution of dengue fever, comparing frequencies between the different clinical forms in order to use test results to predict the severity of the disease.	23049382
chikungunya and dengue fever among hospitalized febrile patients in northern tanzania.	consecutive febrile admissions were enrolled at two hospitals in moshi, tanzania. confirmed acute chikungunya virus (chikv), dengue virus (denv), and flavivirus infection were defined as a positive polymerase chain reaction (pcr) result. presumptive acute denv infection was defined as a positive anti-denv immunoglobulin m (igm) enzyme-linked immunsorbent assay (elisa) result, and prior flavivirus exposure was defined as a positive anti-denv igg elisa result. among 870 participants, pcr testing w ...	22232469
dengue hemorrhagic fever at 60 years: early evolution of concepts of causation and treatment.	during the decade of the 1960s, the epidemiology of a new dengue disease, dengue hemorrhagic fever and dengue shock syndrome (dhf/dss), was described by collaborative research performed by thai scientists from many institutions and by workers at the u.s. army's seato medical research laboratory in bangkok, thailand. careful clinical and physiological studies provided the initial description of dss. dss cases were caused by each of the four dengue viruses (denv) and not chikungunya (chik) virus o ...	26085471
vertical transmission of key west dengue-1 virus by aedes aegypti and aedes albopictus (diptera: culicidae) mosquitoes from florida.	following the 2009 and 2010 dengue-1 (denv-1) outbreaks in key west, fl, we used florida aedes aegypti (l.) mosquitoes and denv-1 isolated from key west in 2010 to test the hypothesis that if the 2009 and 2010 denv-1 genome sequences are similar, then vertical transmission of denv-1 from infected ae. aegypti female mosquitoes to their eggs could have served as an interepidemic reservoir between outbreaks. we also investigated the ability of florida aedes albopictus (skuse) mosquitoes to vertical ...	24843934
development of assure dengue iga rapid test for the detection of anti-dengue iga from dengue infected patients.	rapid and early dengue diagnosis is essential for patient management and early disease intervention. mp diagnostics assure(®) dengue iga rapid test (dengue iga rt) was developed for the rapid detection of anti-dengue iga in patients' biological samples. the performance of dengue iga rt was examined using multiple categories of well-characterized samples.	21887054
papaya extract to treat dengue: a novel therapeutic option?	dengue is a viral disease that today affects a vast number of people in over 125 countries and is responsible for a sizable number of deaths. in the absence of an effective antiviral drug to treat the disease, various treatments are being investigated. studies have indicated that the juice of the leaves of the carica papaya plant from the family caricaceae could help to increase the platelet levels in these patients. this review describes some of the published studies on this topic. the search w ...	24971201
urban epidemic of dengue virus serotype 3 infection, senegal, 2009.	an urban epidemic of dengue in senegal during 2009 affected 196 persons and included 5 cases of dengue hemorrhagic fever and 1 fatal case of dengue shock syndrome. dengue virus serotype 3 was identified from all patients, and aedes aegypti mosquitoes were identified as the primary vector of the virus.	24572297
cell phone-based system (chaak) for surveillance of immatures of dengue virus mosquito vectors.	capture of surveillance data on mobile devices and rapid transfer of such data from these devices into an electronic database or data management and decision support systems promote timely data analyses and public health response during disease outbreaks. mobile data capture is used increasingly for malaria surveillance and holds great promise for surveillance of other neglected tropical diseases. we focused on mosquito-borne dengue, with the primary aims of: 1) developing and field-testing a ce ...	23926788
dual role of commensal bacteria in viral infections.	with our abilities to culture and sequence the commensal bacteria that dwell on and within a host, we can now study the host in its entirety, as a supraorganism that must be navigated by the pathogen invader. at present, the majority of studies have focused on the interaction between the host's microbiota and bacterial pathogens. this is not unwarranted, given that bacterial pathogens must compete with commensal organisms for the limited territory afforded by the host. however, viral pathogens a ...	23947358
dengue fever treatment with carica papaya leaves extracts.	the main objective of the current study is to investigate the potential of carica papaya leaves extracts against dengue fever in 45 year old patient bitten by carrier mosquitoes. for the treatment of dengue fever the extract was prepared in water. 25 ml of aqueous extract of c. papaya leaves was administered to patient infected with dengue fever twice daily i.e. morning and evening for five consecutive days. before the extract administration the blood samples from patient were analyzed. platelet ...	23569787
emergence of dengue in andaman & nicobar archipelago: eco-epidemiological perspective.		21911978
acute pancreatitis complicating severe dengue.	dengue is an arthropod borne viral infection endemic in tropical and subtropical continent. severe dengue is life threatening. various atypical presentations of dengue have been documented. but we present a rare and fatal complication of severe dengue in form of acute pancreatitis. a 27-year-old male had presented with severe dengue in decompensated shock and with pain in abdomen due to pancreatitis. the pathogenesis of acute pancreatitis in dengue is not clearly understood, but various mechanis ...	24926168
commentary.		24250192
dengue: a growing menace -- a snapshot of recent facts, figures & remedies.	dengue is specially owing to inadequate water supply and poor solid waste management , which are favorable for multiplication of the main vectors including the aedes ageypti coupled with lack of proven anti viral therapy and no proven efficient vaccine .there are many cases of both dengue shock syndrome and dengue haemmorhagic fever making it a major public health burden sending ominous signal resulting both rising morbidity & mortality, deleterious effect on daly [disability adjusted life year] ...	23847455
outsmarting olfaction: the next generation of mosquito repellents.		16002364
passive prophylaxis with permethrin-treated tents reduces mosquito bites among north american summer campers.	over 2 million adolescents participate in summer-camp experiences, placing themselves at risk for mosquito-borne illness. insect repellent is recommended but often not used. it is unknown whether permethrin treatment of a location, such as a campsite, provides passive prophylaxis reducing mosquito bites among all persons in the immediate vicinity.	15813141
genomic screening with rnai: results and challenges.	rna interference (rnai) is an effective tool for genome-scale, high-throughput analysis of gene function. in the past five years, a number of genome-scale rnai high-throughput screens (htss) have been done in both drosophila and mammalian cultured cells to study diverse biological processes, including signal transduction, cancer biology, and host cell responses to infection. results from these screens have led to the identification of new components of these processes and, importantly, have also ...	20367032
history, epidemiology, and clinical manifestations of zika: a systematic review.	to describe salient epidemiological characteristics of zika virus outbreaks across the world and to examine the clinical presentations, complications, and atypical manifestations related to their occurrence in recent history.	26959260
peripheral coding of taste.	five canonical tastes, bitter, sweet, umami (amino acid), salty, and sour (acid), are detected by animals as diverse as fruit flies and humans, consistent with a near-universal drive to consume fundamental nutrients and to avoid toxins or other harmful compounds. surprisingly, despite this strong conservation of basic taste qualities between vertebrates and invertebrates, the receptors and signaling mechanisms that mediate taste in each are highly divergent. the identification over the last two ...	24607224
volatile phytochemicals as mosquito semiochemicals.	plant biochemical processes result in the release of an array of volatile chemical substances into the environment, some of which are known to play important plant fitness enhancing functions, such as attracting pollinators, thermal tolerance of photosynthesis, and defense against herbivores. cunningly, phytophagous insects have evolved mechanisms to utilize these volatiles to their own advantage, either to colonize a suitable host for feeding, reproduction and oviposition or avoid an unsuitable ...	25383131
zika virus: a global threat to humanity: a comprehensive review and current developments.	at present, one of greatest concerns of medical personnel is zika virus (zikv). though it has been reported for quite a long time, its rapid emergence, new modes of transmission, and more importantly, the congenital anomalies associated with it have made the situation worse. it was first detected in 1947. after that, this infection was found in the countries of africa as well as asia. at present, interestingly it has been reported from brazil. microcephaly and intracranial calcification have bee ...	27114968
dengue in the context of "safe blood" and global epidemiology: to screen or not to screen?		22882092
evaluation of a stable isotope method to mark naturally-breeding larval mosquitoes for adult dispersal studies.	understanding mosquito dispersal is critically important for vector-borne disease control and prevention. mark-release-recapture methods using various marking techniques have made substantial contributions to the study of mosquito biology. however, the ability to mark naturally breeding mosquitoes noninvasively and with life-long retention has remained problematic. here, we describe a method to mark naturally breeding mosquitoes with stable isotopes. culex pipiens f. molestus mosquitoes were pro ...	22308772
dengue outbreak in key west, florida, usa, 2009.	after 3 dengue cases were acquired in key west, florida, we conducted a serosurvey to determine the scope of the outbreak. thirteen residents showed recent infection (infection rate 5%; 90% ci 2%-8%), demonstrating the reemergence of dengue in florida. increased awareness of dengue among health care providers is needed.	22257471
risk assessment for yellow fever in western and north-western provinces of zambia.	north-western and western provinces of zambia were reclassified as low-risk areas for yellow fever (yf). however, the current potential for yf transmission in these areas is unclear.	25722614
towards a hybrid agent-based model for mosquito borne disease.	agent-based models (abm) are used to simulate the spread of infectious disease through a population. detailed human movement, demography, realistic business location networks, and in-host disease progression are available in existing abms, such as the epidemic simulation system (episims). these capabilities make possible the exploration of pharmaceutical and non-pharmaceutical mitigation strategies used to inform the public health community. there is a similar need for the spread of mosquito bor ...	26618203
high degree of single nucleotide polymorphisms in california culex pipiens (diptera: culicidae) sensu lato.	resolution of systematic relationships among members of the culex pipiens (l.) complex has important implications for public health as well as for studies on the evolution of sibling species. currently held views contend that in california considerable genetic introgression occurs between cx. pipiens and cx. quinquefasciatus say, and as such, these taxa behave as if they are a single species. development of high throughput snp genotyping tools for the analysis of cx. pipiens complex population s ...	22493847
facts and ideas from anywhere.		16369660
functional circadian clock genes are essential for the overwintering diapause of the northern house mosquito, culex pipiens.	the short day lengths of late summer are used to program the overwintering adult diapause (dormancy) of the northern house mosquito, culex pipiens. here, we investigated the role of clock genes in initiating this diapause and asked whether the circadian cycling of clock gene expression persists during diapause. we provide evidence that the major circadian clock genes continue to cycle throughout diapause and after diapause has been terminated. rna interference (rnai) was used to knock down the c ...	25653422
in search of a better mosquito repellent.		18709154
aedes (stegomyia) aegypti and aedes (howardina) cozumelensis in yucatán state, méxico, with a summary of published collection records for ae. cozumelensis.	we collected mosquito immatures from artificial containers during 2010-2011 from 26 communities, ranging in size from small rural communities to large urban centers, located in different parts of yucatán state in southeastern méxico. the arbovirus vector aedes (stegomyia) aegypti was collected from all 26 examined communities, and nine of the communities also yielded another container-inhabiting aedes mosquito: aedes (howardina) cozumelensis. the communities from which ae. cozumelensis were coll ...	23181861
urbanization and geographic expansion of zoonotic arboviral diseases: mechanisms and potential strategies for prevention.	arthropod-borne viruses (arboviruses) mainly infect people via direct spillover from enzootic cycles. however, dengue, chikungunya, and yellow fever viruses have repeatedly initiated urban transmission cycles involving human amplification and peridomestic mosquito vectors to cause major epidemics. here, i review these urban emergences and potential strategies for their prevention and control.	23910545
survival of west nile virus-challenged southern house mosquitoes, culex pipiens quinquefasciatus, in relation to environmental temperatures.	we investigated the effect of west nile virus (wnv) infection on survival in two colonies of culex pipiens quinquefasciatus say (diptera: culicidae) originating from vero beach and gainesville, fl. mosquitoes were fed west nile virus-infected blood and checked daily for survival. exposure to wnv decreased survival among cx. p. quinquefasciatus from gainesville relative to unexposed individuals at 31° c. in contrast, exposure to wnv enhanced survival among cx. p. quinquefasciatus from vero beach ...	24820564
zika virus, french polynesia, south pacific, 2013.		24856001
hla class ii allele polymorphism in an outbreak of chikungunya fever in middle andaman, india.	a sudden upsurge of fever cases with joint pain was observed in the outpatient department, community health centre, rangat during july-august 2010 in rangat middle andaman, india. the aetiological agent responsible for the outbreak was identified as chikungunya virus (chikv), by using rt-pcr and igm elisa. the study investigated the association of polymorphisms in the human leucocyte antigen class ii genes with susceptibility or protection against chikv. one hundred and one patients with clinica ...	23710940
next-generation sequencing in clinical virology: discovery of new viruses.	viruses are a cause of significant health problem worldwide, especially in the developing nations. due to different anthropological activities, human populations are exposed to different viral pathogens, many of which emerge as outbreaks. in such situations, discovery of novel viruses is utmost important for deciding prevention and treatment strategies. since last century, a number of different virus discovery methods, based on cell culture inoculation, sequence-independent pcr have been used fo ...	26279987
emerging and re-emerging viruses in the era of globalisation.		19657478
effects of ingested vertebrate-derived factors on insect immune responses.	during the process of blood feeding insect vectors are exposed to an array of vertebrate-derived blood factors ranging from byproducts of blood meal digestion to naturally occurring products in the blood including growth hormones, cytokines and factors derived from blood-borne pathogens themselves. in this review, we examine the ability of these ingested vertebrate blood factors to alter the innate pathogen defenses of insect vectors. the ability of these factors to modify the immune responses o ...	25401083
antiviral natural products and herbal medicines.	viral infections play an important role in human diseases, and recent outbreaks in the advent of globalization and ease of travel have underscored their prevention as a critical issue in safeguarding public health. despite the progress made in immunization and drug development, many viruses lack preventive vaccines and efficient antiviral therapies, which are often beset by the generation of viral escape mutants. thus, identifying novel antiviral drugs is of critical importance and natural produ ...	24872930
interspecific competition of a new invasive mosquito, culex coronator, and two container mosquitoes, aedes albopictus and cx. quinquefasciatus (diptera: culicidae), across different detritus environments.	the mosquito culex coronator (dyar and knab) (diptera: culicidae) has undergone rapid range expansion in the united states since 2003, with its historical distribution in the southwest expanding eastward to the atlantic coast. although cx. coronator nominally use small natural aquatic habitats for development, the use of containers (e.g., tires) makes it potentially important as container invasive. to determine the potential ecological effects of cx. coronator on resident container species, we c ...	24605457
modeling and biological control of mosquitoes.	models can be useful at many different levels when considering complex issues such as biological control of mosquitoes. at an early stage, exploratory models are valuable in exploring the characteristics of an ideal biological control agent and for guidance in data collection. when more data are available, models can be used to explore alternative control strategies and the likelihood of success. there are few modeling studies that explicitly consider biological control in mosquitoes; however, t ...	17853610
no evolutionary response to four generations of laboratory selection on antipredator behavior of aedes albopictus: potential implications for biotic resistance to invasion.	aedes albopictus (skuse) is an invasive container-dwelling mosquito and an important disease vector that co-occurs with the native mosquito, aedes triseriatus (say), and the predatory midge, corethrella appendiculata (grabham). larval ae. triseriatus show significantly greater antipredatory responses when compared to larval ae. albopictus in the presence of predation cues from c. appendiculata. the potential for evolution of antipredatory behavioral responses to c. appendiculata in ae. albopictu ...	19645279
habitat segregation of mosquito arbovirus vectors in south florida.	oviposition traps set in rural to urban environments in three south florida counties were colonized predominantly by culex quinquefasciatus say (35.1%), aedes albopictus (skuse) (34.5%), aedes aegypti (l.) (23.8%), and culex nigripalpus theobald (6.6%) during 1 yr of monthly sampling. significant differences were detected among counties for abundances of cx. quinquefasciatus and for percentage composition of that species and ae. albopictus. aerial images of habitats around each collection site w ...	17162945
dengue: an escalating problem.		12089096
dengue shock.	shock syndrome is a dangerous complication of dengue infection and is associated with high mortality. severe dengue occurs as a result of secondary infection with a different virus serotype. increased vascular permeability, together with myocardial dysfunction and dehydration, contribute to the development of shock, with resultant multiorgan failure. the onset of shock in dengue can be dramatic, and its progression relentless. the pathogenesis of shock in dengue is complex. it is known that endo ...	21633580
rnai: antiviral therapy against dengue virus.	dengue virus infection has become a global threat affecting around 100 countries in the world. currently, there is no licensed antiviral agent available against dengue. thus, there is a strong need to develop therapeutic strategies that can tackle this life threatening disease. rna interference is an important and effective gene silencing process which degrades targeted rna by a sequence specific process. several studies have been conducted during the last decade to evaluate the efficiency of si ...	23620845
dengue virus specific dual hla binding t cell epitopes induce cd8+ t cell responses in seropositive individuals.	dengue virus infects an estimated 300 million people each year and even more are at risk of becoming infected as the virus continues to spread into new areas. despite the increase in viral prevalence, no anti-viral medications or vaccines are approved for treating or preventing infection. cd8+ t cell responses play a major role in viral clearance. therefore, effective vaccines that induce a broad, multi-functional t cell response with substantial cross-reactivity between all virus serotypes can ...	25668665
el niño southern oscillation and vegetation dynamics as predictors of dengue fever cases in costa rica.	dengue fever (df) and dengue hemorrhagic fever (dhf) are growing health concerns throughout latin america and the caribbean. this study focuses on costa rica, which experienced over 100 000 cases of df/dhf from 2003 to 2007. we utilized data on sea-surface temperature anomalies related to the el niño southern oscillation (enso) and two vegetation indices derived from the moderate resolution imaging spectrometer (modis) from the terra satellite to model the influence of climate and vegetation dyn ...	19763186
dengue fever presenting as acute pancreatitis.	a 56-year-old non-alcoholic male was admitted with complaints of severe abdominal pain and was diagnosed with acute pancreatitis after blood investigations and a computed tomography scan of the abdomen. he developed a high-grade fever on the third day of admission, and serology tested positive for dengue. treatment for dengue was instituted, leading to a good response and complete resolution of pancreatitis. the patient has been doing well and has had no recurrence of pancreatitis at the end of ...	25610147
dengue and its effects on liver.	dengue has emerged as an important arboviral disease with significant impact on the disease burden in population residing in tropical countries. dengue is spread by the bite of aedes mosquito. the virus seems to have some hepatotoxic effects. affliction of liver in form of derangements in the liver function tests is common and may include mild elevations in serum bilirubin, elevated transaminases and derangements in serum albumin. although asymptomatic in most cases, clinical manifestations like ...	25685758
study of seroprevalence of dengue fever in central india.		21278875
symbionts conferring resistance to viruses in insects.		25417905
analogs of ldl receptor ligand motifs in dengue envelope and capsid proteins as potential codes for cell entry.	it is established that cell entry of low density lipoprotein particles (llps) containing apo b100 and apo e is mediated by receptors and gags. receptor ligand motifs, xbbbxxbx, xbbxbx, and ψbψxb, and mono- and bipartite nls sequences are abundant in apo e and apo b100 as well as in envelope and capsid proteins of dengue viruses 1-4 (denv1-4). synthetic, fluorescence-labeled peptides of sequences in denv2 envelope protein, and denv3 capsid that include these motifs were used to conduct a qualitat ...	27123468
autochthonous dengue fever, tokyo, japan, 2014.	after 70 years with no confirmed autochthonous cases of dengue fever in japan, 19 cases were reported during august-september 2014. dengue virus serotype 1 was detected in 18 patients. phylogenetic analysis of the envelope protein genome sequence from 3 patients revealed 100% identity with the strain from the first patient (2014) in japan.	25695200
clinicohematological profiles of hospitalized patients with dengue in kolkata in 2012 epidemic, west bengal.	dengue usually presents itself with subclinical or mild infection to full blown dengue fever (df) to dengue hemorrhagic fever (dhf) and dengue shock syndrome (dss). in kolkata, dengue started in 1824 followed by five epidemics that occurred in 1836, 1906, 1911, 1923 and 2005. the aim of this investigation is to study the clinicohematological correlation of all patients with respect to their gender that were admitted to "kali pada chowdhury medical college and hospital" during 2012 epidemic. amon ...	25242847
dengue fever outbreak in delhi, north india: a clinico-epidemiological study.	dengue viruses, single-stranded positive polarity ribonucleic acid (rna) viruses of the family flaviviridae, are the most common cause of arboviral disease in the world. we report a clinico-epidemiological study of the dengue fever outbreak of 2010 from a tertiary care hospital in delhi, north india.	25861176
the deadly ebola threat in the midst of an overwhelming dengue epidemic.	the recent death tolls and morbidities associated with two deadly viral haemorrhagic fevers (vhfs), i.e., ebola and dengue, are simply shocking. by the end of august 2014, 65 672 people were afflicted with dengue fever (df) in malaysia, with 9505 from kelantan, and there were 128 reported deaths. more astounding are the death tolls associated with ebola: 3091 deaths from 6574 reported cases so far. it is not difficult to imagine the potential disaster if ebola spreads beyond africa. vhfs are cha ...	25897277
minimal within-host dengue models highlight the specific roles of the immune response in primary and secondary dengue infections.	in recent years, the within-host viral dynamics of dengue infections have been increasingly characterized, and the relationship between aspects of these dynamics and the manifestation of severe disease has been increasingly probed. despite this progress, there are few mathematical models of within-host dengue dynamics, and the ones that exist focus primarily on the general role of immune cells in the clearance of infected cells, while neglecting other components of the immune response in limitin ...	25519990
a three year retrospective study on the increasing trend in seroprevalence of dengue infection from southern odisha, india.	in odisha, several cases of dengue virus infection were detected for the first time in 2010, the importance of dengue as a serious mosquito-borne viral infection was felt only in 2011 with the reporting of many more positive cases. this retrospective three year study was done to find out the seroprevalence of dengue ig m0 antibody and to know the predominant serotype of dengue virus among the patients suspected to have dengue virus infection in a tertiary care hospital in southern odisha, india.	25579149
climate and human health: the impact of climate change on vector-borne diseases, paphos, cyprus (17-19 october 2012).		24428826
false-negative dengue cases in roraima, brazil: an approach regarding the high number of negative results by ns1 ag kits.	serum samples from 150 ns1-negative (platelia elisa) patients presumptively diagnosed with dengue were analyzed by the taqman probed real-time reverse transcription pcr (taqman qrt-pcr) method. the qrt-pcr positive samples were tested for serotype by semi-nested rt-pcr and a qualitative immunochromatographic assay for igg and igm. molecular detection methods showed 33 (22%) positive samples out of 150 ns1-antigen negative samples. of these, 72% were collected up to day 2 after the onset of sympt ...	25229228
emergence of dengue in tribal villages of mandla district, madhya pradesh, india.	dengue (den) is a rapidly spreading arboviral disease transmitted by aedes mosquitoes. although it is endemic in india, dengue virus (denv) infection has not been reported from tribal areas of madhya pradesh. investigations were conducted to establish the aetiology of sudden upsurge of cases with febrile illness in june 2013 from tribal villages of mandla district of madhya pradesh, india.	26139775
chikungunya virus as cause of febrile illness outbreak, chiapas, mexico, 2014.	since chikungunya virus (chikv) was introduced into the americas in 2013, its geographic distribution has rapidly expanded. of 119 serum samples collected in 2014 from febrile patients in southern mexico, 79% were positive for chikv or igm against chikv. sequencing results confirmed chikv strains closely related to caribbean isolates.	26488312
virus evolution and transmission in an ever more connected world.	the frequency and global impact of infectious disease outbreaks, particularly those caused by emerging viruses, demonstrate the need for a better understanding of how spatial ecology and pathogen evolution jointly shape epidemic dynamics. advances in computational techniques and the increasing availability of genetic and geospatial data are helping to address this problem, particularly when both information sources are combined. here, we review research at the intersection of evolutionary biolog ...	26702033
evolutionary and ecological characterization of mayaro virus strains isolated during an outbreak, venezuela, 2010.	in 2010, an outbreak of febrile illness with arthralgic manifestations was detected at la estación village, portuguesa state, venezuela. the etiologic agent was determined to be mayaro virus (mayv), a reemerging south american alphavirus. a total of 77 cases was reported and 19 were confirmed as seropositive. mayv was isolated from acute-phase serum samples from 6 symptomatic patients. we sequenced 27 complete genomes representing the full spectrum of mayv genetic diversity, which facilitated de ...	26401714
the global distribution of yellow fever and dengue.	yellow fever has been subjected to partial control for decades, but there are signs that case numbers are now increasing globally, with the risk of local epidemic outbreaks. dengue case numbers have also increased dramatically during the past 40 years and different serotypes have invaded new geographical areas. despite the temporal changes in these closely related diseases, and their enormous public health impact, few attempts have been made to collect a comprehensive dataset of their spatial an ...	16647971
microhabitat partitioning of aedes simpsoni (diptera: culicidae).	yellow fever virus is a reemerging infection responsible for widespread, sporadic outbreaks across africa. although aedes aegypti (l.) is the most important vector globally, in east africa, epidemics may be vectored by aedes bromeliae (theobald), a member of the aedes simpsoni (theobald) species complex. the ae. simpsoni complex contains 10 subspecies, of which ae. bromeliae alone has been incriminated as a vector of yellow fever virus. however, morphological markers cannot distinguish ae. brome ...	24897852
emerging arboviruses and public health challenges in brazil.	environmental modification by anthropogenic actions, disordered urban growth, globalization of international exchange and climate change are some factors that help the emergence and dissemination of human infectious diseases transmitted by vectors. this review discusses the recent entry of three arboviruses in brazil: chikungunya, west nile, and zika virus, focusing on the challenges for the country's public health. the brazilian population is exposed to infections caused by these three arboviru ...	27355468
zika. an emerging teratogenic virus.	[no abstract available].	27464857
assessing the risk of international spread of yellow fever virus: a mathematical analysis of an urban outbreak in asuncion, 2008.	yellow fever virus (yfv), a mosquito-borne virus endemic to tropical africa and south america, is capable of causing large urban outbreaks of human disease. with the ease of international travel, urban outbreaks could lead to the rapid spread and subsequent transmission of yfv in distant locations. we designed a stochastic metapopulation model with spatiotemporally explicit transmissibility scenarios to simulate the global spread of yfv from a single urban outbreak by infected airline travelers. ...	22302873
a case of yellow fever vaccine-associated viscerotropic disease in ecuador.	we report the first case of viscerotropic syndrome in ecuador. because of similarities between yellow fever and viscerotropic syndrome, the incidence of this recently described complication of vaccination with the 17d yellow fever vaccine is not known. there is a large population in south america that is considered at risk for possible reemergence of urban yellow fever. knowledge of potentially fatal complications of yellow fever vaccine should temper decisions to vaccinate populations where the ...	20348528