| invasive disease due to salmonella virchow: a north queensland problem. | salmonella virchow is the second most commonly isolated salmonella serotype from human sources in australia, and overseas studies indicate that s. virchow is a significant cause of extraintestinal salmonellosis. the successful management of three infants, two with septicaemia and one with leptomeningitis and septicaemia due to s. virchow, is described. a review of the townsville general hospital laboratory records (1978-1988) showed that, among other aspects, s. virchow accounted for 46% of all ... | 1990 | 2233451 |
| yersinia enterocolitica. isolation from faeces of adults and children in queensland. | over a 22-month period, all 5075 faecal specimens received by the microbiology laboratory of the mater misericordiae public hospital, brisbane, were screened for the presence of yersinia enterocolitica by culturing on cefsulodinirgasan-novobiocin agar medium. y. enterocolitica was isolated from 37 patients (0.7% of all specimens). ten patients were 10 years of age or older, and presented predominantly with pain in the abdomen; of these, five underwent an appendicectomy. mesenteric adenitis was d ... | 1985 | 4069044 |
| infections with viruses and bacteria in intensively reared calves in northern queensland. | | 1972 | 4334901 |
| the pathology of feral rodents in north queensland. | | 1974 | 4599296 |
| the isolation of salmonella from cattle at brisbane abattoirs. | | 1967 | 6035474 |
| the prevalence and epizootiology of salmonellosis among groups of horses in south east queensland. | over a 3-year period, 1178 faecal samples were cultured from 462 horses admitted to the equine clinic of the university of queensland; 185 samples were positive for salmonella yielding 213 isolations consisting of 21 serotypes. s. anatum was the predominant serotype isolated (54%) followed by s. ohio (11.27%) and s. typhimurium (9.4%). one hundred and ten horses (23.81%) were positive on one or more occasion, and 42 (9.09%) on more than one occasion. s. anatum was the most common serotype isolat ... | 1981 | 7236142 |
| microbiological quality of queensland stockfeeds with special reference to salmonella. | one hundred queensland stockfeeds were examined for their counts of total aerobic bacteria, coliforms, fungi and salmonellas. the total aerobic bacteria, coliform and fungal counts were significantly higher (p < 0.005) for mashes than for crumbles and pellets and salmonellas were isolated from significantly more (p < 0.005) mashes (64%) than pellets and crumbles (8%). counts of less than 1 salmonella per 100 g were found in 36.4% of the 44 positive feeds. the remainder of the counts ranged from ... | 1980 | 7436941 |
| the spectrum of aeromonas-associated diarrhea in tropical queensland, australia. | during a twelve-month period (1 july 91-30 june 92), feces from 912 persons from the townsville region in the dry tropics of queensland, australia were evaluated by culture and 45 (4.9%) immunocompetent patients were found to be carrying aeromonas in their stools. all patients were index cases and no secondary cases from household or close contact of index cases were identified. eight patients (9.3%) were from palm island, an aboriginal community, and 37 (4.5%) were from the essentially caucasia ... | 1993 | 8266241 |
| the isolation of salmonellas from piggery waste water after orthodox pondage treatment. | | 1995 | 8825321 |
| salmonella dublin infection in queensland dairy cattle. | to investigate the presence of salmonella dublin in queensland cattle. | 1996 | 8941417 |
| salmonella meningitis in children in far north queensland. | seven cases of salmonella meningitis have occurred in infants in far north queensland since 1982. the mean age of onset was 2.8 months, and at least five of the cases were caused by salmonella virchow. five of the cases had significant complications during the acute illness: all required prolonged (median 34 days) inpatient management, and four developed permanent neurological sequelae. s. virchow is the serovar most frequently isolated from infants in far north queensland. the source of s. virc ... | 1997 | 9484688 |
| a multi-state outbreak of salmonella bredeney food poisoning: a case control study. | to investigate a multi-state outbreak of salmonella bredeney. | 1998 | 9744208 |
| consumer attitudes and behaviours--key risk factors in an outbreak of salmonella typhimurium phage type 12 infection sourced to chicken nuggets. | to identify the source and intervention methods for an outbreak of salmonella typhimurium phage type 12 in south australia. | 1999 | 10330731 |
| direct costs associated with a nosocomial outbreak of salmonella infection: an ounce of prevention is worth a pound of cure. | nosocomial outbreaks of salmonella infections in australia are an infrequent but significant source of morbidity and mortality. such an outbreak results in direct, measurable expenses for acute care management, as well as numerous indirect (and less quantifiable) costs to those affected, the hospital, and the wider community. this article describes the significant direct costs incurred as a result of a nosocomial outbreak of salmonella infection involving patients and staff. | 2000 | 10679138 |
| a waterborne outbreak of salmonella saintpaul. | contamination of a tank water supply system led to an outbreak of salmonella saintpaul with 28 cases of gastroenteritis amongst over 200 workers at a large construction site. the outbreak was identified following notification of two salmonellosis cases by general practitioners from different towns during march 1999. the source of infection, contaminated drinking water, was identified through environmental sampling and confirmed by epidemiological investigations. frogs and/or mice may have been t ... | 2000 | 11190815 |
| salmonelliasis in wildlife from queensland. | during a 20 yr period (1978 to 1998), 233 isolates of salmonella spp. were cultured from 179 wildlife animals (representing 25 species), 32 crocodile (crocodylus porosus) eggs and six crocodile nesting sites, and represented 59 different serotypes. salmonella serotype virchow, the major serotype infecting humans in north queensland, (australia) was common in macropodids, but was not found in reptiles and was isolated only once from cane toads (bufo marinus). investigations of human cases of salm ... | 2001 | 11310872 |
| a statewide outbreak of salmonella bovismorbificans phage type 32 infection in queensland. | between 30 may and 1 june 2001, 10 cases of salmonella bovismorbificans infection were reported to public health services, queensland health. investigations included enhanced surveillance, case interviews, a matched case control study, environmental audit and microbiological testing of faecal isolates (phage typing) and implicated food products. forty-one cases of s. bovismorbificans infection were detected, 36 cases were phage type 32. a matched case control study identified that illness was as ... | 2002 | 12549525 |
| surveillance for antibiotic resistance in veterinary pathogens from the perspective of a regional diagnostic laboratory. | the toowoomba veterinary laboratory tests for antibiotic resistance through passive surveillance of bacterial pathogens from diseased, frequently intensively managed, animals. testing is carried out on the basis of the number of animals involved, the nature and severity of the disease and the identity and significance of the bacterium, the results guiding the submitting veterinarian in implementing appropriate treatment. the antibiotics chosen for testing are those that are currently registered ... | 2003 | 12807288 |
| microbiology of wheat and flour milling in australia. | a survey was undertaken to determine the microbiological status of australian wheat and the distribution of microorganisms in the flour milling fractions and end products. a total of 650 milling process and end product samples was obtained from nine flour mills located in new south wales (4), queensland (2), victoria (2) and western australia (1) during the 1997-1998 and 1998-1999 wheat seasons. most frequent (modal) counts in wheat and flour were, respectively, as follows: aerobic mesophilic pl ... | 2003 | 12810278 |
| an outbreak of salmonella typhimurium phage type 135a in a child care centre. | | 2003 | 12926739 |
| foodborne disease investigation across australia: annual report of the ozfoodnet network, 2003. | in 2003, ozfoodnet conducted enhanced surveillance of foodborne diseases across australia, which covered all states and territories. during 2003, there were 23,250 notifications of eight potentially foodborne diseases, of which 67 per cent and 30 per cent were due to campylobacter and salmonella infections respectively. the most common salmonella serotype was typhimurium, as in previous years. most s. enteritidis were acquired overseas, except for queensland where 52 per cent of infections were ... | 2004 | 15574061 |
| risk factors for sporadic salmonella birkenhead infection in queensland and northern new south wales: a case control study. | | 2004 | 15657626 |
| outbreak of salmonella singapore associated with eating sushi. | | 2004 | 15745404 |
| a cluster of salmonella typhimurium phage type u307 associated with a restaurant. | | 2005 | 15966681 |
| a survey of the microbiological quality of kangaroo carcasses processed for human consumption in two processing plants in queensland, australia. | an investigation of the microbiological quality of kangaroo carcasses at two queensland processing plants was carried out. a total of 836 whole muscle samples were taken, 801 from plant a and 35 from plant b. samples were analyzed for aerobic bacteria, escherichia coli, and salmonella. the mean adjusted aerobic plate count (apc) was 2.8 log cfu/g, and counts at the 90th, 95th, and 99th percentiles were 4.2, 4.9, and 6.4 log cfu/g, respectively. the maximum number of bacteria recovered was 6.5 lo ... | 2007 | 17536688 |
| a survey of the microbiological quality of feral pig carcasses processed for human consumption in queensland, australia. | an investigation of the microbiological quality of 217 feral pig carcasses at a queensland wild game processing plant was carried out using the excision method of sampling. samples were analyzed for aerobic plate count (apc), e. coli, and salmonella over a period of 2 years. the mean adjusted apc was 4.7 log colony-forming units (cfu)/g, and counts at the 90th, 95th, and 99th percentiles were 4.8, 5.2, and 6.1 log cfu/g, respectively. the maximum number of bacteria recovered was 6.4 log cfu/g, a ... | 2008 | 18260821 |
| bacteriological profile of raw, frozen chicken nuggets. | the bacteriological profile of raw, frozen chicken nuggets manufactured at a chicken processing facility in queensland, australia, was determined. chicken nuggets are manufactured by grinding poultry, adding premixes to incorporate spices, forming the meat to the desired size and shape, applying a batter and breading, freezing, and packaging. a total of 300 frozen batches were analyzed for aerobic plate count, escherichia coli, and salmonella over a period of 4 years. the mean of the aerobic pla ... | 2008 | 18389709 |
| real-time pcr detection of pathogenic microorganisms in roof-harvested rainwater in southeast queensland, australia. | in this study, the microbiological quality of roof-harvested rainwater was assessed by monitoring the concentrations of escherichia coli, enterococci, clostridium perfringens, and bacteroides spp. in rainwater obtained from tanks in southeast queensland, australia. samples were also tested using real-time pcr (with sybr green i dye) for the presence of potential pathogenic microorganisms. of the 27 rainwater samples tested, 17 (63%), 21 (78%), 13 (48%), and 24 (89%) were positive for e. coli, en ... | 2008 | 18621865 |
| an outbreak of salmonella enterica serotype litchfield infection in australia linked to consumption of contaminated papaya. | an outbreak of 26 cases of salmonella litchfield infection occurred in the states of western australia and queensland between october 2006 and january 2007. a case-control study was conducted with 12 cases and 24 controls, and a significant association was found between illness and consumption of papaya (odds ratio, 32.8; 95% confidence interval, 2.71 to 883.5). papaya samples were collected from 26 stores in western australia, and 9 of 38 samples were contaminated with salmonella litchfield. th ... | 2009 | 19517740 |
| climate variations and salmonella infection in australian subtropical and tropical regions. | this study aims to quantify the relationship between climate variations and cases of salmonella infection in subtropical and tropical areas in australia. brisbane in a subtropical area and townsville in a tropical area of queensland were selected as the study regions. local meteorological variables and notified cases of salmonella infection from january 1990 to july 2005 were provided by local authorities. spearman correlation and time-series adjusted poisson regression were applied controlling ... | 2010 | 19922981 |
| outbreaks of salmonella typhimurium phage type 197 of multiple genotypes linked to an egg producer. | this paper describes outbreaks of salmonella typhimurium phage type 197 (stm197) linked to eggs from the farm of a single egg producer. epidemiological and microbiological investigations (genotyping by multiple locus variable number tandem repeats analysis [mlva]) identified outbreaks of stm197 with the same or closely-related mlva profiles in a series of restaurants across brisbane over 2 months. environmental health investigations revealed that these restaurants were supplied with eggs from th ... | 2009 | 20301970 |
| implications of faecal indicator bacteria for the microbiological assessment of roof-harvested rainwater quality in southeast queensland, australia. | the study aimed to evaluate the suitability of escherichia coli, enterococci, and clostridium perfringens for assessing the microbiological quality of roof-harvested rainwater and assessing whether the concentrations of these faecal indicators can be used to predict the presence or absence of specific zoonotic bacterial or protozoan pathogens. from a total of 100 samples tested, 58%, 83%, and 46% of samples were found to be positive for, respectively, e. coli, enterococci, and clostridium perfri ... | 2010 | 20657617 |
| microbiological quality of wheat grain and flour from two mills in queensland, australia. | a baseline investigation of the microbiological quality of wheat grain and flour from two mills in queensland, australia, was undertaken in order to assess the capacity of these two mills to meet microbiological criteria specified by a customer for raw, non-heat-treated flour. this baseline testing was performed over the 2006 to 2007 wheat season. three hundred fifty flour samples were monitored for yeast, mold, and bacillus cereus, 300 for escherichia coli, 150 for salmonella, and 100 for aerob ... | 2010 | 20819368 |
| health risk from the use of roof-harvested rainwater in southeast queensland, australia, as potable or nonpotable water, determined using quantitative microbial risk assessment. | a total of 214 rainwater samples from 82 tanks were collected in urban southeast queensland (seq) in australia and analyzed for the presence and numbers of zoonotic bacterial and protozoal pathogens using binary pcr and quantitative pcr (qpcr). quantitative microbial risk assessment (qmra) analysis was used to quantify the risk of infection associated with the exposure to potential pathogens from roof-harvested rainwater used as potable or nonpotable water. of the 214 samples tested, 10.7%, 9.8% ... | 2010 | 20851954 |
| human and bovine adenoviruses for the detection of source-specific fecal pollution in coastal waters in australia. | in this study, the host-specificity and -sensitivity of human- and bovine-specific adenoviruses (hs-avs and bs-avs) were evaluated by testing wastewater/fecal samples from various animal species in southeast, queensland, australia. the overall specificity and sensitivity of the hs-avs marker were 1.0 and 0.78, respectively. these figures for the bs-avs were 1.0 and 0.73, respectively. twenty environmental water samples were collected during wet conditions and 20 samples were colleted during dry ... | 2010 | 20891037 |
| salmonella virchow and salmonella weltevreden in a random survey of the asian house gecko, hemidactylus frenatus, in houses in northern australia. | abstract background: salmonella enterica serotype virchow is the most common cause of invasive nontyphoid salmonellosis in north queensland, particularly in infants, but the zoonotic source is unknown. this study aimed at determining (i) the prevalence of the introduced asian house gecko, hemidactylus frenatus, in houses in north queensland and (ii) whether they were a potential source of salmonella virchow. methods: asian house geckos were collected in a random survey of houses in townsville, n ... | 2010 | 20973656 |
| fecal indicators and zoonotic pathogens in household drinking water taps fed from rainwater tanks in southeast queensland, australia. | in this study, the microbiological quality of household tap water samples fed from rainwater tanks was assessed by monitoring the numbers of escherichia coli bacteria and enterococci from 24 households in southeast queensland (seq), australia. quantitative pcr (qpcr) was also used for the quantitative detection of zoonotic pathogens in water samples from rainwater tanks and connected household taps. the numbers of zoonotic pathogens were also estimated in fecal samples from possums and various s ... | 2012 | 22020514 |
| prevalence of salmonella in fecal samples of western grey kangaroos (macropus fuliginosus). | this is the first extensive study of the prevalence of naturally acquired salmonella infection in wild-caught kangaroos in australia. given the close association between kangaroos, livestock, and humans and the growing popularity of kangaroo meat, it is important to identify epidemiologic factors associated with infection in these marsupials in order to minimize the risk of salmonella transmission. the overall prevalence of fecal salmonella in 645 western grey kangaroos (macropus fuliginosus) sa ... | 2011 | 22102658 |