| the reemergence of dengue in china. | in 1978, dengue was reported in china for the first time in 32 years. since then, epidemics involving hundreds of thousands of people have occurred in guangdong and guangxi provinces and on hainan island. these epidemics were caused by all four types of dengue virus. aedes aegypti was the vector in coastal areas, while aedes albopictus was the vector in inland regions. during these epidemics, case rates were very high (greater than 50%) in some areas. case-fatality rates were generally less than ... | 1989 | 2665017 |
| control of aedes aegypti larvae in household water containers by chinese cat fish. | in 1980-81 an outbreak of dengue fever occurred in guangdong province and in guangxi-zhuang autonomous region in the central-southern part of china. subsequently, a nationwide survey indicated that the vector of the disease, aedes aegypti, was confined to the coastal strip of guangdong and guangxi-zhuang. since the first case in the outbreak occurred in guangxi-zhuang, a community-based programme to control a. aegypti was set up in eight fishing villages of this region where the mosquito was bre ... | 1987 | 3500803 |
| [seroepidemiological survey on dengue virus infection in various areas of guangdong and guangxi provinces]. | | 1985 | 3914373 |
| [serological and epidemiological survey of dengue fever occurring at ya county, hainan island, guangdong province]. | | 1982 | 7185455 |
| dengue in china: a clinical review. | three etiologically proven outbreaks of dengue fever and one etiologically confirmed epidemic of dengue haemorrhagic fever have occurred in south china since 1978. the first of these, an epidemic of dengue due to virus type 4 took place in shiwan town, foshan city, guangdong province, in 1978; the epidemic began in may and ended in november. the clinical manifestations of 583 hospitalized patients were observed from august to october. the majority (81.3%) of patients were aged 21-50 years (male: ... | 1993 | 8324854 |
| [an etiological and serological study on dengue epidemic in guangdong province]. | in 1978-1995, dengue fever epidemics(serotype 1-4) occurred in guangdong province. among 9 species of mosquitoes found in the epidemic areas, the positive rate of virus isolation in aedes albopictus was 20.69%, in aedes aegypti 18.95%, in culex quinquefasciatus 10.29%, dengue viruses were not isolated in other 6 species of mosquitoes. the positive rate of virus isolation in the three species showed no significant differences (chi 2 = 2.77 p > 0.05). aedes aegypti was the main transmitting vector ... | 1998 | 12515199 |
| [nucleotide sequencing of e/ns1 gene segment of dengue type 1 viruses isolated in guangdong province]. | to analyse the genetic relationship of local strains of dengue type 1 viruses isolated in different years and regions from guangdong province, and to explore the genetic links with strains of adjacent countries by comparing with the sequences of relevant strains in genbank. | 2002 | 12665913 |
| [analysis on the epidemiologic features of dengue fever in guangdong province, 1990-2000]. | to determine the epidemiological characteristics and risk factors of dengue fever in guangdong province in 1990-2000, and to develop the strategy for its prevention and control. | 2002 | 12667352 |
| [isolation, identification and sequence analyses of dengue virus type 2 strain gd19/2001]. | to identify the virus isolated from jiangmen, guangdong province and to discuss the possible origin. | 2003 | 12820947 |
| ns2a-ns2b sequence analysis of den-4 virus strains. | to study the genetic variability of den-4 chinese isolates, and to trace the origin of dv4 chinese isolates, we cloned and sequenced the ns2a-ns2b junction of 5 isolates and prototype dv4 (h-241). our results show that isolates from the 1990 guangdong epidemic, which were isolated in the early, middle, and late periods of the epidemic, share the same sequence in the ns2a-ns2b junction. the sequence similarity between isolates from the guangdong epidemic in 1990 and dv4 h-241 is 96%; these isolat ... | 2003 | 15115127 |
| [development and application of geographic information system of aedes vector in chaozhou city, guangdong province]. | to explore the spatial distribution character of dengue fever and the change of aedes' population, so as to provide macroscopical decision-making evidences of prevention and supervision on dengue fever. | 2004 | 15132867 |
| [analysis of the e gene sequences of three dengue virus type 1 isolates in guangdong province]. | to trace the infection sources of three dengue virus type 1 isolates found in guangdong province, namely gd05/99, gd14/97 and gd23/95. | 2005 | 15683998 |
| [analysis on clinical and epidemiological characteristics of 1032 patients with dengue fever in guangzhou]. | to analyze the clinical and epidemiological characteristics of dengue fever (df) during the dengue-1 epidemic in guangzhou. | 2005 | 16185453 |
| serotype 1-specific monoclonal antibody-based antigen capture immunoassay for detection of circulating nonstructural protein ns1: implications for early diagnosis and serotyping of dengue virus infections. | rapid diagnosis and serotyping of dengue virus (dv) infections are important for timely clinical management and epidemiological control in areas where multiple flaviviruses are endemic. however, the speed and accuracy of diagnosis must be balanced against test cost and availability, especially in developing countries. we developed a specific antigen capture enzyme-linked immunosorbent assay (elisa) for early detection and serotyping of dv serotype 1 (dv1) by using well-characterized monoclonal a ... | 2006 | 16891505 |
| [clinical characteristics of the patients with dengue fever seen from 2002 to 2006 in guangzhou]. | to study the clinical characteristics of the patients with dengue fever (df) seen from 2002 to 2006 in guangzhou in order to prevent and treat dengue fever better. | 2007 | 17653311 |
| molecular characterization of the e gene of dengue virus type 1 isolated in guangdong province, china, in 2006. | we determined the genetic relationships and origin of the dengue virus (denv) responsible for an outbreak of dengue fever (df) in guangdong province, china, in 2006. five denv type 1 (denv-1) isolates were obtained from human serum samples collected from df patients during the outbreak. the nucleotide sequences of the e (envelope) gene were compared with those of 48 previous denv-1 isolates: 18 from guangdong province, one from fujian province, one from zhejiang province, and 28 from other count ... | 2009 | 18387217 |
| identification of a recombinant dengue virus type 1 with 3 recombination regions in natural populations in guangdong province, china. | using recombination analysis, we identified a recombinant dengue virus type 1 strain, namely, gd23/95, with three recombination regions, located within the sequences of the prm/e junction, ns1, and ns3, respectively. the recombinant dengue virus was further confirmed by phylogenetic analysis based on its recombination and non-recombination regions. this appears to be the first study to confirm the existence of three recombination regions in a single dengue virus isolate and to report recombinati ... | 2008 | 18446424 |
| real-time pcr for detecting circulating dengue virus in the guangdong province of china in 2006. | dengue virus (denv) causes a wide range of diseases in humans, from the acute febrile illness dengue fever (df) to life-threatening dengue haemorrhagic fever/dengue shock syndrome. we developed four real-time quantitative pcr assays for each serotype of denv based on computational analysis. these assays had high sensitivity and specificity without cross-reactivity for the four serotypes. to evaluate the performance of these assays in detecting and typing the virus in clinical samples, we analyse ... | 2008 | 19018028 |
| a recent survey of mosquito fauna in guangdong province,southern china, with a review of past records [corrected]. | the southern province of guangdong has long been subject to endemic mosquito-borne diseases. in recent years, this region of china has experienced rapid, extensive economic development involving environmental change, making much of the scant knowledge of its mosquito fauna obsolete. this paper reviews previous mosquito surveys, some of which may be too old to be of relevance to present-day conditions, and presents the results of a recent survey of adult and immature mosquitoes. the main vectors ... | 2008 | 19120964 |
| [identification and sequence analysis of e gene of dengue virus type 2 strain isolated from patient serum in shenzhen]. | to isolate and identify the pathogen of dengue fever from shenzhen city in 2005 - 2006, and to analyze the molecular characteristics of the isolated dengue virus strain as well as to explore its possible origin. | 2009 | 20137564 |
| [current situation and surveillance on dengue fever in china, 2005 - 2007]. | to provide scientific evidence for prevention and control program on dengue fever through analyzing the situation of dengue fever in china, from 2005 to 2007. | 2009 | 20193202 |
| dengue fever in mainland china. | dengue is an acute emerging infectious disease transmitted by aedes mosquitoes and has become a serious global public health problem. in mainland china, a number of large dengue outbreaks with serious consequences have been reported as early as 1978. in the three decades from 1978 to 2008, a total of 655,324 cases were reported, resulting in 610 deaths. since the 1990s, dengue epidemics have spread gradually from guangdong, hainan, and guangxi provinces in the southern coastal regions to the rel ... | 2010 | 20810836 |
| [molecular epidemiologic analysis on new emerged type 3 dengue virus in guangzhou in 2009.] | objective: to analyze and trace the infection source the envelope (e) gene of the new emerged type 3 dengue virus in guangzhou in 2009. methods: sera were collected from patients infected with local dengue fever. dengue virus was cultured and isolated by c6/36 cells. the whole length e gene was amplified from the positive specimen by rt-pcr, thereby sequenced and phylogenetic tree drawn by neighbor-joining method. both data on epidemiologic and molecular studies were processed and analysed. resu ... | 2010 | 21162848 |
| kinetics of non-structural protein 1, igm and igg antibodies in dengue type 1 primary infection. | early and accurate diagnosis of dengue infection is essential for control of disease outbreaks. recently, the dengue virus non-structural antigen 1 (ns1), a conserved and secreted glycoprotein, has been used as a marker for early diagnosis of dengue with convenience and cost-effectiveness. serological tests of dengue igm and igg antibodies are still the most widely used for diagnosis of dengue. in order to assess combined diagnostic value of these tests, we study the kinetic profiles of circulat ... | 2011 | 21284891 |
| the origin of dengue viruses caused the df outbreak in guangdong province, china, in 2006. | phylogenetic analysis suggested that the denv1 strains isolated in the df outbreak in guangdong province in 2006 were likely to be imported from southeast asian. specifically, viruses isolated from shantou and chaozhou were imported from singapore; viruses isolated from guangzhou, yangjiang, and foshan were imported from thailand/vietnam. therefore, importation of denv1 from southeast asia was an important contributory factor of the 2006 df outbreak in guangdong province. | 2011 | 21473933 |
| molecular epidemiology of dengue viruses in southern china from 1978 to 2006. | to investigate molecular epidemiology of dengue viruses (denv) in southern china, a total of 14 dengue isolates were collected in southern china during each epidemic year between 1978 and 2006 and their full-length genome sequences were obtained by using rt-pcr method. the e gene sequences from additional 6 dengue fever patients in guangzhou in 2006 were also obtained by using rt-pcr method. combined with denvs sequences published in genbank, phylogenetic analysis and recombination analysis were ... | 2011 | 21703015 |
| co-circulation of two genotypes of dengue virus serotype 3 in guangzhou, china, 2009. | dengue is emerging as the most important mosquito borne viral disease in the world. in mainland china, sporadic and large outbreaks of dengue illness caused by the four serotypes of dengue virus (denv-1 to denv-4) have been well documented. guangdong province is the major affected area in china, and denv-1 has dominantly circulated in guangdong for a long time. in this study, a family cluster of denv-3 infection in guangzhou was described. three cases were diagnosed as dengue fever based on clin ... | 2012 | 22721418 |
| a local outbreak of dengue caused by an imported case in dongguan china. | dengue, a mosquito-borne febrile viral disease, is found in tropical and sub-tropical regions around the world. since the first occurrence of dengue was confirmed in guangdong, china in 1978, dengue outbreaks have been reported sequentially in different provinces in south china transmitted by peridomestic ae. albopictus mosquitoes, diplaying ae. aegypti, a fully domestic vector that transmits dengue worldwide. rapid and uncontrolled urbanization is a characteristic change in developing countries ... | 2012 | 22276682 |
| multiple sources of infection and potential endemic characteristics of the large outbreak of dengue in guangdong in 2014. | a large outbreak of dengue, with the most documented cases, occurred in guangdong china in 2014. epidemiological studies and phylogenetic analysis of the isolated dengue virus (denv) showed this outbreak was attributed to multiple sources and caused by at least two genotypes of denv-1 (genotypes i and iii) and two genotypes of denv-2 (cosmopolitan and asian i genotypes). a retrospective review and phylogenetic analysis of denv isolated in guangdong showed that denv-1 genotype i strains were repo ... | 2015 | 26593240 |
| the effects of socioeconomic and environmental factors on the incidence of dengue fever in the pearl river delta, china, 2013. | an outbreak of dengue fever (df) occurred in guangdong province, china in 2013 with the highest number of cases observed within the preceding ten years. df cases were clustered in the pearl river delta economic zone (prd) in guangdong province, which accounted for 99.6% of all cases in guangdong province in 2013. the main vector in prd was aedes albopictus. we investigated the socioeconomic and environmental factors at the township level and explored how the independent variables jointly affect ... | 2015 | 26506616 |
| the driving force for 2014 dengue outbreak in guangdong, china. | dengue fever has rapidly spread in recent decades to become the most globally expansive viral vector-borne disease. in mainland china, a number of dengue outbreaks have been reported since 1978, but the worst epidemic in decades, involving 45230 cases and 76 imported cases, resulting in six deaths in guangdong province, emerged in 2014. reasons for this ongoing surge in dengue, both imported and autochthonous, are currently unclear and demand urgent investigation. here, a seasonally-driven dynam ... | 2016 | 27861514 |
| characterizing a large outbreak of dengue fever in guangdong province, china. | dengue cases have been reported each year for the past 25 years in guangdong province, china with a recorded historical peak in 2014. this study aims to describe the epidemiological characteristics of this large outbreak in order to better understand its epidemic factors and to inform control strategies. | 2016 | 27142081 |
| clinical and epidemiological features of the 2014 large-scale dengue outbreak in guangzhou city, china. | dengue virus is transmitted by mosquito around the tropical and sub-tropical regions. there was a large-scale dengue epidemic in guangdong province, china during 2014 and around fifty thousands dengue fever cases, including six deaths, have been reported. in this study, we aimed to understand the clinical characteristics of hospitalized patients with laboratory-confirmed dengue virus (denv) infection and determined the origin of the virus from the outbreak. | 2016 | 26932451 |
| chikungunya outbreak in guangdong province, china, 2010. | a disease outbreak with dengue-like symptoms was reported in guangdong province, china, in october 2010. testing results confirmed that the pathogen causing the outbreak was chikungunya virus. phylogenic analysis indicated that this virus was a member of the indian ocean clade of the east/center/south african subgroup of chikungunya virus. | 0 | 22377135 |
| application of the analytic hierarchy approach to the risk assessment of zika virus disease transmission in guangdong province, china. | an international spread of zika virus (zikv) infection has attracted global attention in 2015. the infection also affected guangdong province, which is located in southern china. multiple factors, including frequent communication with south america and southeast asia, suitable climate (sub-tropical) for the habitat of aedes species, may increase the risk of zikv disease transmission in this region. | 2017 | 28086897 |
| climate and the timing of imported cases as determinants of the dengue outbreak in guangzhou, 2014: evidence from a mathematical model. | as the world's fastest spreading vector-borne disease, dengue was estimated to infect more than 390 million people in 2010, a 30-fold increase in the past half century. although considered to be a non-endemic country, mainland china had 55,114 reported dengue cases from 2005 to 2014, of which 47,056 occurred in 2014. furthermore, 94% of the indigenous cases in this time period were reported in guangdong province, 83% of which were in guangzhou city. in order to determine the possible determinant ... | 2016 | 26863623 |
| dengue in china: comprehensive phylogenetic evaluation reveals evidence of endemicity and complex genetic diversity. | despite the increasing threat of dengue outbreaks in china, it is still considered as an imported disease and its introduction and/or circulation patterns remain obscure. on the basis of the most extensive phylogenetic analysis to date, we showed highly complex genetic diversity of dengue viruses (denvs) in south china with up to 20 different clades/lineages from multiple serotypes co-circulating in the same year. despite that most of these clades/lineages were resulted from imported cases, evid ... | 2015 | 26458780 |
| epidemiological and virological characterizations of the 2014 dengue outbreak in guangzhou, china. | dengue used to be recognized as an imported and sporadic disease in china. since june 2014, an unexpected large dengue outbreak has attacked guangzhou, china, resulting in more than 40,000 cases. among the 1,942 laboratory-confirmed hospitalized dengue cases, 121 were diagnosed as severe dengue according to the 2009 who guideline, and 2 patients finally died. laboratory diagnosis and virus isolation demonstrated that the majority (96%) cases were caused by dengue virus serotype 1 (denv-1), and t ... | 2016 | 27257804 |
| the prevalence and endemic nature of dengue infections in guangdong, south china: an epidemiological, serological, and etiological study from 2005-2011. | frequent outbreaks of dengue are considered to be associated with an increased risk for endemicity of the disease. the occurrence of a large number of indigenous dengue cases in consecutive years indicates the possibility of a changing dengue epidemic pattern in guangdong, china. | 2014 | 24465613 |
| spatiotemporal analysis of indigenous and imported dengue fever cases in guangdong province, china. | dengue fever has been a major public health concern in china since it re-emerged in guangdong province in 1978. this study aimed to explore spatiotemporal characteristics of dengue fever cases for both indigenous and imported cases during recent years in guangdong province, so as to identify high-risk areas of the province and thereby help plan resource allocation for dengue interventions. | 2012 | 22691405 |
| community involvement in dengue outbreak control: an integrated rigorous intervention strategy. | an explosive outbreak of dengue fever occurred in guangdong province, china in 2014. a community-based integrated intervention was applied to control this outbreak in the capital city guangzhou, where dengue epidemic was mainly caused by imported cases. | 2016 | 27548481 |
| [current infection status and epidemic risk analysis of dengue fever and chikungunya in guangdong province, from 1990 to 2012]. | to understand the status of infection and epidemic trend of dengue fever and chikungunya in guangdong. | 2014 | 24739557 |
| laboratory and molecular characterization of dengue virus during the 2014 outbreak in guangfo region, southern china. | non-specific symptoms and low viremia levels make early diagnosis of dengue virus (denv) infection challenging. this study aimed to 1) identify laboratory markers which can predict a positive laboratory diagnosis, and 2) perform a molecular characterization of denv from the 2014 guangdong epidemic. this retrospective study enrolled 1044 patients from the guangdong epidemic who had clinically suspected dengue. viral rna was detected by real-time rt-pcr and viral-specific ns1 antigen was detected ... | 2017 | 28367875 |
| [study of epidemiological characteristics and viral sources of dengue fever outbreak in guangxi zhuang autonomous region, 2014]. | objective: to understand the epidemiological characteristics and viral sources of dengue fever outbreak in guangxi zhuang autonomous region (guangxi) in 2014. methods: a combined analysis of epidemiological characteristics and genetic characteristics were performed in this study. the time, population and area distributions of the cases were analyzed. serum samples were collected from dengue fever cases to detect ns1 antigen by using commercial elisa kits according to the guideline of the manufac ... | 2016 | 27765124 |
| epidemiology and characteristics of the dengue outbreak in guangdong, southern china, in 2014. | dengue is a rapidly spreading mosquito-borne disease caused by the dengue virus (denv) and has emerged as a severe public health problem around the world. guangdong, one of the southern chinese provinces, experienced a serious outbreak of dengue in 2014, which was believed to be the worst dengue epidemic in china over the last 20 years. to better understand the epidemic, we collected the epidemiological data of the outbreak and analyzed 14,594 clinically suspected dengue patients from 25 hospita ... | 2016 | 26700953 |
| the epidemiological characteristics and genetic diversity of dengue virus during the third largest historical outbreak of dengue in guangdong, china, in 2014. | the third largest historical outbreak of dengue occurred during july to december 2014, in 20 of 21 cities of guangdong, china. the epidemiological and molecular characteristics of the introduction, expansion and phylogeny of the denv isolates involved in this outbreak were investigated. | 2016 | 26546854 |
| [epidemiology of dengue fever in china since 1978]. | since 1978, dengue fever occurred endemically and epidemically every 4 to 7 years in china, affecting commonly people aged between 20 and 60 years with similar incidences in males and females. four serotypes of dengue virus have been identified in china, with denv-1 as the predominant serotype. the incidence of dengue fever became gradually decreased after 1997 but increased significantly in the recent two years, especially in 2014, where, up to november, a total of 44894 cases had been reported ... | 2014 | 25537911 |
| isolation and characterization of dengue virus serotype 2 from the large dengue outbreak in guangdong, china in 2014. | dengue has been well recognized as a global public health threat, but only sporadic epidemics and imported cases were reported in recent decades in china. since july 2014, an unexpected large dengue outbreak has occurred in guangdong province, china, resulting in more than 40000 patients including six deaths. to clarify and characterize the causative agent of this outbreak, the acute phase serum from a patient diagnosed with severe dengue was subjected to virus isolation and high-throughput sequ ... | 2014 | 25502398 |
| complete genome sequence of dengue virus serotype 2 cosmopolitan genotype strain in guangdong, china. | here we report the complete genome sequence of a dengue virus serotype 2 (denv-2) strain, gz40, isolated in guangdong, china, in 2010. a phylogenetic analysis classified gz40 into the cosmopolitan genotype, while previous chinese denv-2 isolates belong to the asian i genotype. the reemergence of the cosmopolitan genotype of denv-2 in china deserves further investigation. | 2012 | 23166230 |
| complete genome sequence of a dengue virus serotype 4 strain isolated in guangdong, china. | here we report the first complete genome sequence of a dengue virus serotype 4 genotype ii strain, gz30, isolated in guangzhou, guangdong province, china, in 2010. the sequence information provided herein will help us to understand the molecular epidemiology of dengue virus and predict the risk of severe diseases in mainland china. | 2012 | 22628403 |
| a survey of insecticide resistance in aedes albopictus (diptera: culicidae) during a 2014 dengue fever outbreak in guangzhou, china. | a dengue fever outbreak in guangzhou, guangdong province, china, in 2014 resulted in ∼37,000 cases and five deaths. insecticides were sprayed to control the vector of this outbreak, aedes albopictus (skuse), a species of mosquito. aedes albopictus specimens collected from huadu district (hd), huangpu district (hp), luogang district (lg), and nansha district (ns) in guangzhou were evaluated using who-recommended bioassays for both larvae and adult mosquitoes to determine population resistance to ... | 2017 | 28011686 |
| direct cost of dengue hospitalization in zhongshan, china: associations with demographics, virus types and hospital accreditation. | zhongshan city of guangdong province (china) is a key provincial and national level area for dengue fever prevention and control. the aim of this study is to analyze how the direct hospitalization costs and the length of stay of dengue hospitalization cases vary according to associated factors such as the demographics, virus types and hospital accreditation. | 2017 | 28771479 |
| an evaluation of asymptomatic dengue infections among blood donors during the 2014 dengue outbreak in guangzhou, china. | in 2014, an outbreak of dengue virus (denv) infection led to 45 171 clinical cases diagnosed in guangdong province, southern china. however, the potential risk of blood donors asymptomatically infected with denv has not been evaluated . in the current study we detected anti-denv igg antibody and rna in volunteer chinese blood donors. we found that anti-denv igg antibody was positively detected in 3.4% (51/1500) and two donors were detected as being denv rna positive out of 3000 blood samples. we ... | 2017 | 28639699 |
| infectious diseases and tropical cyclones in southeast china. | southeast china is frequently hit by tropical cyclones (tcs) with significant economic and health burdens each year. however, there is a lack of understanding of what infectious diseases could be affected by tropical cyclones. this study aimed to examine the impacts of tropical cyclones on notifiable infectious diseases in southeast china. disease data between 2005 and 2011 from four coastal provinces in southeast china, including guangdong, hainan, zhejiang, and fujian province, were collected. ... | 2017 | 28481286 |
| dengue baidu search index data can improve the prediction of local dengue epidemic: a case study in guangzhou, china. | dengue fever (df) in guangzhou, guangdong province in china is an important public health issue. the problem was highlighted in 2014 by a large, unprecedented outbreak. in order to respond in a more timely manner and hence better control such potential outbreaks in the future, this study develops an early warning model that integrates internet-based query data into traditional surveillance data. | 2017 | 28263988 |
| data informed analysis of 2014 dengue fever outbreak in guangzhou: impact of multiple environmental factors and vector control. | epidemics of dengue fever in china were reported before 1940 and the outbreak of dengue fever in guangdong province in 2014 is the most serious so far. the important question is what factors account for this serious outbreak, and how to evaluate the sensitivity of the multiple factors including weather variables and human actions on the dengue disease. therefore, according to the relations among the temperature (daily mean temperature (dmt) and diurnal temperature range (dtr)), vector parameters ... | 2017 | 28039013 |
| a stage structured mosquito model incorporating effects of precipitation and daily temperature fluctuations. | an outbreak of dengue fever in guangdong province in 2014 was the most serious outbreak ever recorded in china. given the known positive correlation between the abundance of mosquitoes and the number of dengue fever cases, a stage structured mosquito model was developed to investigate the cause of the large abundance of mosquitoes in 2014 and its implications for outbreaks of the disease. data on the breteau index (number of containers positive for larvae per 100 premises investigated), temperat ... | 2016 | 27693525 |
| modelling weekly vector control against dengue in the guangdong province of china. | we develop a mathematical model to closely mimic the integrated program of impulsive vector control (every friday afternoon since the initiation of the program) and continuous patient treatment and isolation implemented in the guangdong province of china during its 2014 dengue outbreak. we fitted the data of accumulated infections and used the parameterized model to carry out a retrospective analysis to estimate the basic reproduction number 1.7425 (95% ci 1.4443-2.0408), the control reproductio ... | 2016 | 27650706 |
| perceptions of capacity for infectious disease control and prevention to meet the challenges of dengue fever in the face of climate change: a survey among cdc staff in guangdong province, china. | dengue fever is an important climate-sensitive mosquito-borne viral disease that poses a risk to half the world's population. the disease is a major public health issue in china where in 2014 a major outbreak occurred in guangdong province. this study aims to gauge health professionals' perceptions about the capacity of infectious disease control and prevention to meet the challenge of dengue fever in the face of climate change in guangdong province, china. | 2016 | 27088733 |
| identifying the high-risk areas and associated meteorological factors of dengue transmission in guangdong province, china from 2005 to 2011. | we examined the spatial distribution pattern and meteorological drivers of dengue fever (df) in guangdong province, china. annual incidence of df was calculated for each county between 2005 and 2011 and the geographical distribution pattern of df was examined using moran's i statistic and excess risk maps. a time-stratified case-crossover study was used to investigate the short-term relationship between df and meteorological factors and the southern oscillation index (soi). high-epidemic df area ... | 2014 | 23823182 |
| spatial and temporal patterns of dengue in guangdong province of china. | the aim of the study was to describe the spatial and temporal patterns of dengue in guangdong for 1978 to 2010. time series analysis was performed using data on annual dengue incidence in guangdong province for 1978-2010. annual average dengue incidences for each city were mapped for 4 periods by using the geographical information system (gis). hot spot analysis was used to identify spatial patterns of dengue cases for 2005-2010 by using the crimestat iii software. the incidence of dengue in gua ... | 2015 | 23467628 |
| spatial analysis of dengue fever in guangdong province, china, 2001-2006. | guangdong province is the area most seriously affected by dengue fever in china. in this study, we describe the spatial distribution of dengue fever in guangdong province from 2001 to 2006 with the objective of informing priority areas for public health planning and resource allocation. annualized incidence at a county level was calculated and mapped to show crude incidence, excess hazard, and spatial smoothed incidence. geographic information system-based spatial scan statistics was conducted t ... | 2014 | 23343642 |
| [epidemiological analysis of imported cases of dengue fever in guangdong province and hong kong during 2004-2006 in china]. | to analyze the epidemiological characteristics of imported cases of dengue fever in guangdong province (gd) and in hong kong (hk) during 2004-2006 to provide evidence for further cooperation in the prevention and control programs on dengue fever in the two places. | 2009 | 19565847 |
| [relationship of dengue fever epidemic to aedes density changed by climate factors in guangdong province]. | in order to explore and quantify the relation between probability of dengue episode and aedes density, and climate factors, and also, to provide scientific approach for prevention and supervision of dengue fever, data on dengue fever cases, aedes vector's supervision and climate factors such as average air temperature, lowest air temperature, highest air temperature, sunlight, rainfall and relative humidity were collected and, were analyzed by correlation analysis, stepwise regression and logist ... | 2003 | 12793011 |