q fever endocarditis in queensland.thirteen patients with proven q fever endocarditis and three additional patients with probable endocarditis are reviewed. the most helpful diagnostic test is the demonstration of a high complement fixing antibody titre to phase 1 antigen of coxiella burneti. the macroscopic pathology of the aortic valve is described and includes aneurysmal pockets in the aortic wall and valve annulus which are demonstrable angiographically. evidence is presented that the infection may be controlled by prolonged ...19761253390
a randomized, controlled, double-blind, cross-over, clinical trial of q fever vaccine in selected queensland abattoirs.a limited, randomized, blind, placebo-controlled trial of q fever and influenza vaccines has been conducted in three queensland abattoirs on a sequential analysis design. ninety-eight subjects were given q fever vaccine and 102 influenza vaccine. q fever cases were observed in unvaccinated workers in all three abattoirs during the period of observation. a total of seven q fever cases in one group, one more than the number required to achieve statistical significance between the two vaccine group ...19902182329
vaccine prophylaxis of abattoir-associated q fever: eight years' experience in australian abattoirs.during the period 1981-8 a clinical trial of a q fever vaccine (q-vax; commonwealth serum laboratories, melbourne) has been conducted in abattoir workers and other at-risk groups in south australia. volunteers in four abattoirs and visitors to the abattoirs were given one subcutaneous dose of 30 micrograms of a formalin-inactivated, highly-purified coxiella burnetii cells, henzerling strain, phase 1 antigenic state, in a volume of 0.5 ml. during the period, over 4000 subjects have been vaccinate ...19902323360
q fever in a queensland epidemiological study of q fever infection in a brisbane meatworks was undertaken. a retrospective 10-year study (1968 to 1977) revealed an average annual incidence of 1% for the nine years excluding 1969, while an outbreak with a 7.9% incidence occurred in 1969. no seasonal distribution was found. results indicated that cattle form the major source of coxiella burneti (infectious agent of q fever) in the meatworks and that the highest risk of infection exists on the cattle slaughter floor. t ...19807402154
q fever vaccination in queensland abattoirs.outbreaks of q fever continue to be recorded in abattoirs despite a protective vaccine being available. all accredited abattoirs in queensland were surveyed to ascertain the number that conducted q fever vaccination programs. only ten of the 30 abattoirs had vaccination programs. vaccination programs were present at all abattoirs with more than 360 employees. thirty-seven per cent of abattoir employees worked at abattoirs that did not have vaccination programs. research is required into the atti ...19979079588
a review of q fever in australia 1991-1994.q fever continues to be an important disease in australia. despite the development of an effective vaccine that has been commercially available since 1989, the number of cases notified has continued to increase. this study reviewed national notifications of q fever between 1991 and 1994, together with demographic, socioeconomic and occupational information, to investigate temporal and spatial disease patterns. based on notification data, q fever can be considered primarily a disease of adult mal ...19979489189
range expansion of the tick amblyomma triguttatum triguttatum, an australian vector of q fever.the tick amblyomma triguttatum triguttatum has previously been reported from western australia, queensland and new south wales. a viable population of this species, including all developmental stages, has now been discovered on the southern end of yorke peninsula, south australia. species determination was carried out morphologically and using 18s and 16s rrna. the data for 16s rrna are the first published for this species. amblyomma t. triguttatum is significant through its involvement in the n ...200010899523
infectivity, transmission and 16s rrna sequencing of a rickettsia, coxiella cheraxi sp. nov., from the freshwater crayfish cherax quadricarinatus.a rickettsia-like organism isolated from infected, farm-reared cherax quadricarinatus was cultured in the yolk sac of developing chicken eggs, but could not be cultured in 3 continuous cell lines, bluegill fry (bf-2), fathead minnow (fhm), and spodoptera frugiperda (sf-9). the organism was confirmed by fulfilling koch's postulates as the aetiological agent of mortalities amongst c. quadricarinatus. when c. quadricarinatus was inoculated with the organism, mortality was 100% at 28 degrees c and 8 ...200010918979
q fever: a recent 'outbreak' in townsville. 200312680991
[first cases of acute icterogenic hepatitis with positive rickettsia burneti sero-agglutination (queensland fever); isolation of a strain in one case]. 195212991884
examination of raw milk for coxiella burneti in the greater brisbane area of queensland. 195212992173
the isolation of coxiella burneti from the tick ixodes holocyclus in queensland. 195313149565
the investigation of fevers in north queensland by mouse inoculation, with particular reference to scrub typhus. 195513239522
outbreak of q fever in queensland associated with sheep. 195913656035
a serological survey for antibodies to the ornithosis-lymphogranuloma group of viruses in queensland. 196314106759
coxiella burneti in kangaroos and kangaroo ticks in western queensland. 196014434074
[queensland fever]. 195114803975
hosts of the exotic ornate kangaroo tick, amblyomma triguttatum triguttatum koch, on southern yorke peninsula, south australia.amblyomma triguttatum triguttatum is assumed to be endemic to south-western western australia (including barrow island), queensland (excluding cape york peninsula), and new south wales, south to dubbo and barham. the species has been recorded on a range of mammalian hosts including macropods and domestic animals. in queensland, a. triguttatum triguttatum is implicated in the epidemiology of q fever. in 2000, the species was detected on southern yorke peninsula in south australia. we aimed to ide ...200717611781
human perception and awareness of ticks in a south australian rural community and implications for management of amblyomma triguttatum triguttatum.the ornate kangaroo tick, amblyomma triguttatum triguttatum, is invasive on yorke peninsula, south australia. to assess the potential for developing comprehensive management strategies for the species, we mailed 1,000 surveys to yorke peninsula residents to investigate community perceptions of ticks, gather information on tick-host ecology, and assess whether or not occupation and length of residence affected whether residents had seen ticks. the response rate was 32%; most respondents (63%) had ...200818427936
rickettsioses in australia.the rickettsial diseases of australia are described in their chronological order of discovery. the include epidemic typhus (r. prowazekii); murine typhus (r. typhi) found australia-wide; scrub typhus (o. tsutsugamushi) only in tropical, northen australia; q. fever (c. burnetti) found australia-wide; queensland tick typhus (r. australis) along the east coast of australia; flinders island spotted fever (r. honei) in southeast australia; variant flinders island spotted fever (r. honei, strain "marm ...200919538275
a serosurvey of coxiella burnetii infection in children and young adults in south west describe the seroepidemiology of coxiella burnetii, the causative agent of q fever, in those under 25 years of age in south west queensland.201020920110
q fever seroprevalence in metropolitan samples is similar to rural/remote samples in queensland, australia.q fever is a vaccine preventable disease; however, despite this, high notification numbers are still recorded annually in australia. we investigated the seroprevalence of coxiella burnetii, the q fever agent, in a queensland sample population. notification data (nā€‰=ā€‰6425) from 1984-2008 were collated, identifying high risk areas of q fever exposure. of these 177 were recorded in children. serum samples were collected from queensland and screened using both an immunoflourescence assay at 1:10 dil ...201121499708
serological evidence of coxiella burnetii infection in beef cattle in queensland.queensland has the highest incidence of q fever in australia. the aim of this study was to undertake a cross-sectional seroprevalence survey of coxiella burnetii, the causative agent of q fever, in beef cattle in queensland.201121696375
in this year of the veterinarian, we are including a series of papers on the history of veterinary medicine in australia.disease control during the colonial period in australiaôçâ-àôçâneurological diseases of ruminant livestock in australiaôçâ-àôçâcoxiella burnetii in beef cattle in queenslandôçâ-àôçâdesmotomy for flexural deformity in thoroughbredsôçâ-àôçâacute myeloid leukaemia in a thoroughbred foalôçâ-àôçâgrowth variants of avibacterium paragallinarumôçâ-àôçâvolvulus in a dugong.201121696368
serological evidence of coxiella burnetii exposure in native marsupials and introduced animals in queensland, australia.summarythe state of queensland has the highest incidence of q fever in australia. in recent years, there has been an increase in human cases where no contacts with the typical reservoir animals or occupations were reported. the aim of this study was to determine the seroprevalence of coxiella burnetii in australian native animals and introduced animals in northern and southeastern queensland. australian native marsupials sampled included the brushtail possum (trichosurus vulpecula) and common no ...201121892986
determination of coxiella burnetii seroprevalence in macropods in australia.many animal species, including macropods, have the potential to act as atypical reservoirs of the causative agent of q fever, coxiella burnetii. the objective of this study was to determine the seroprevalence of c. burnetii in various macropod species in australia. competitive and indirect elisas were developed for the testing of macropod sera for antibodies to phase ii and i c. burnetii antigens separately. a total of 500 macropod serum samples from selected species sampled in eastern and weste ...201121925808
serological evidence of coxiella burnetii infection in dogs in a regional centre.objective investigate the seroprevalence of the causative agent of q fever, coxiella burnetii in domestic dogs in the townsville region, north queensland, australia. method blood samples were collected from dogs attending veterinary clinics for routine procedures. results an overall seropositivity of 21.8% (95% confidence interval (ci) 21.6-22.1%) was observed. a retrospective study of samples collected in the same region during 1984-85 was also performed, with an overall seropositivity of 16.0% ...201121933165
Q Fever as a Cause of Recurrent Soft Tissue Nodules and Abscesses in a Child.A three year old boy from a cattle property in Queensland, Australia developed chronic, multifocal, recurrent subcutaneous nodules and abscesses during a period of two years. Serologic and histologic findings and management options are discussed.201122209918
a survey of zoonotic pathogens carried by non-indigenous rodents at the interface of the wet tropics of north queensland, 1964, brucella was isolated from rodents trapped in wooroonooran national park (wnp), in northern queensland, australia. genotyping of bacterial isolates in 2008 determined that they were a novel brucella species. this study attempted to reisolate this species of brucella from rodents living in the boundary area adjacent to wnp and to establish which endo- and ecto-parasites and bacterial agents were being carried by non-indigenous rodents at this interface. seventy non-indigenous rodents wer ...201725906923
potential animal and environmental sources of q fever infection for humans in queensland.q fever is a vaccine-preventable disease; despite this, high annual notification numbers are still recorded in australia. we have previously shown seroprevalence in queensland metropolitan regions is approaching that of rural areas. this study investigated the presence of nucleic acid from coxiella burnetii, the agent responsible for q fever, in a number of animal and environmental samples collected throughout queensland, to identify potential sources of human infection. samples were collected f ...201423663407
detection of coxiella burnetii dna in wildlife and ticks in northern queensland, australia.wild animals and the tick species that feed on them form the natural transmission cycle and reservoir of coxiella burnetii. the objective of this study was to determine whether c. burnetii was present in the blood of host animals and their ticks in northern queensland, australia. three genomic targets were detected using real-time pcr assays-the coxiella-specific outer membrane protein coding gene (com1), the multicopy insertion element (is1111), and the isocitrate dehydrogenase gene (icd). quan ...201323199271
[atypical pneumonia and queensland fever: new data related to the retrospective study of complement fixation test with rickettsia burneti]. 194915397061
tick-borne infectious diseases in australia.tick bites in australia can lead to a variety of illnesses in patients. these include infection, allergies, paralysis, autoimmune disease, post-infection fatigue and australian multisystem disorder. rickettsial (rickettsia spp.) infections (queensland tick typhus, flinders island spotted fever and australian spotted fever) and q fever (coxiella burnetii) are the only systemic bacterial infections that are known to be transmitted by tick bites in australia. three species of local ticks transmit b ...201728403767
trends and risk factors for human q fever in australia, 1991-2014.australian abattoir workers, farmers, veterinarians and people handling animal birthing products or slaughtering animals continue to be at high risk of q fever despite an effective vaccine being available. national notifiable diseases surveillance system data were analysed for the period 1991-2014, along with enhanced risk factor data from notified cases in the states of new south wales and queensland, to examine changes in the epidemiology of q fever in australia. the national q fever notificat ...201727927265
acute q fever in northern queensland: variation in incidence related to rainfall and geographical location.the aims of this study were to define the basic epidemiology of serologically confirmed acute q fever in patients tested via the townsville hospital laboratory from 2000 to 2010 and to determine the impact of geographical location and seasonality on the incidence of acute cases in the townsville region. seven statistical local areas (sla) were identified as having an incidence higher than the average queensland incidence over the study period. the sla with the highest incidence was woodstock-ros ...201322882795
q fever cases at a north queensland centre during 1994-2006.this study reviewed the epidemiological features, management and outcomes of patients with q fever treated at a tertiary facility in north queensland during the period from july 1994 to january 2006. twenty-seven patients were identified. our findings were consistent with the observations about q fever that have been made in other regions of australia. a diagnosis of q fever should be considered in patients with a non-specific febrile illness.200717714204
q fever in children: an emerging public health issue in queensland. 200415174997
short report: prevalence of markers of exposure to q fever in rural central queensland. 200111806669
q fever in south west queensland. 199910590754
epidemiology of q fever in queensland: a seven-year survey. 19665906929
the changing pattern of q fever in queensland. 196113722088
fevers of the mackay district, queensland. 195313086055
[queensland fever]. 195313112935
[queensland fever]. 195313110319
[case of queensland fever appeared at the seventh month of pregnancy]. 195313082274
[q fever or queensland fever]. 195213024352
roentgenologic pulmonary manifestations of queensland fever. 195224541751
[clinical aspect of queensland fever]. 195015438237
[queensland fever, a zoonosis]. 195015420148
the serological characterization of north queensland tick typhus. 194818101232
Displaying items 1 - 50 of 50