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At least 19 recordsLinked to original sources

Clinical aspects of outbreak of staphylococcal food poisoning during air travel.

An outbreak of staphylococcal food poisoning among 364 charter-flight passengers and crew members is described. Symptoms appeared just before landing, about an hour after a meal containing contaminated ham had been served. 143 passengers were admitted to hospital. 1 patient developed acute anuria and 1 had hemiplegia and aphasia; both recovered. Fever and bloody stools were recorded with unusual frequency.

Adult↗

International outbreak of staphylococcal food poisoning caused by contaminated lasagne.

An outbreak of staphylococcal food poisoning in Europe caused by contaminated lasagne was detected and monitored by both national and international surveillance systems. The common source was a pasta-producing factory in Italy and high levels of Staphylococcus aureus were detected in packets of dried lasagne distributed in Luxembourg, the UK, France and Italy. Forty-seven cases were reported in the UK. Outbreaks of staphylococcal food poisoning attributed to mishandling during the food processing stage are uncommon and pasta as the food vehicle is rare. Prompt recognition of the outbreak and rapid identification of the food vehicle enabled most of the consignment to be withdrawn from the market.

Europe↗

Staphylococcal food poisoning from sheep milk cheese.

Cheese made from sheep milk was implicated in food-poisoning incidents in December 1984 and January 1985. Bacteriological examination of batches of cheese failed to reveal a viable pathogen but enterotoxin A produced by Staphylococcus aureus was present. This was the first time that enterotoxin was detected in a food produced in the UK which was associated with poisoning and from which viable Staph. aureus could not be isolated. Subsequent detailed examination of milk, yoghurt and cheese from the same producer revealed that contamination with Staph. aureus was associated with post-infection carriage as well as clinical illness in ewes on the farm. Strains producing enterotoxon. A were still intermittently present in the bulk milk used for cheese production nearly 2 years afterwards, apparently in the absence of clinical illness in the sheep. The possible effects of heat treatment are discussed. Any changes in legislation should cover all non-human mammalian milk used for human consumption.

Animals↗

Staphylococcal food poisoning aboard a commercial aircraft.

On Feb. 3, 1975, 196 (57%) of 344 passengers and 1 steward aboard a commercial aircraft contracted a gastrointestinal illness characterised by nausea, vomiting, abdominal cramps, and diarrhoea; 142 passengers and the steward were admitted to hospital. Symptoms developed shortly after a ham and omelette breakfast had been served. An investigation strongly incriminated ham as the vehicle of the outbreak, and the source seems to have been a cook with lesions on his fingers. The attack-rate was 86% for passengers who ate the ham handled by this cook and 0% for passengers who ate ham handled exclusively by another food preparer. Before being served, the ham and omelette had been held at room temperature for 14 h and at 10 degrees C (50 degrees F) for 14 1/2 h Specimens of stool and vomitus from ill passengers, left-over food, and the finger lesions of the cook were positive for Staphylococcus aureus of identical phage types and antibiotic sensitivities. Preformed enterotoxin was detected in the left-over ham and omelette. This outbreak re-emphasises that people with infected lesion should not handle food and that foods must be stored at temperatures low enough to inhibit the growth of bacteria. To ensure against a common foodborne illness incapacitating the entire flight crew, cockpit crew members should eat different meals prepared by different cooks.

Adult↗

Staphylococcal food poisonings in Tokyo, with special reference to the coagulase types of the isolates.

Staphylococcus aureus strains isolated from the 391 confirmed cases of staphylococcal food poisonings in Tokyo, in the period 1967-1986, were studied for their coagulase types. Consequently, it was found that all the isolates could be classified into the coagulase types II, III, VI and VII. Namely, the isolates from 54 (13.8%) of 391 outbreaks were typed as type II, 72 (18.4%) as type III, 38 (9.7%) as type VI, and 227 (58.1%) as type VII, respectively. Throughout the investigation, it was found that the outbreaks of staphylococcal food poisonings due to coagulase type VII organisms were remarkably increased since 1975.

Coagulase↗

Managing the risk of staphylococcal food poisoning from cream-filled baked goods to meet a food safety objective.

The International Commission on Microbiological Specifications for Foods (ICMSF) has recently proposed a scheme for the management of microbial hazards for foods that involves the concept of food safety objectives (FSOs). FSOs are intended to specify the maximum levels of hazardous agents required to meet a given public health goal. This scheme offers flexibility for the food industry in terms of allowing the use of alternative but equivalent means for achieving a given FSO. This paper illustrates the application of the ICMSF model via the analysis of the microbiological hazard of Staphylococcus aureus in cream-filled baked goods. Cream-filled baked goods have a notorious history as vehicles for foodborne illness, particularly staphylococcal food poisoning. Although the numbers of cases reported in the United States and Europe have declined in recent years, staphylococcal food poisoning may be much more common than is recognized, particularly in other countries. The ICMSF principles for setting FSOs and the use of performance criteria, process criteria, and validation in relation to hazard analysis critical control point and good hygiene practice plans for managing S. aureus in cream-filled baked goods are described.

Consumer Product Safety↗

Staphylococcal food poisoning caused by imported canned mushrooms.

From February through April 1989, four outbreaks of staphylococcal food poisoning in the United States were associated with eating mushrooms canned in the People's Republic of China (PRC). In the four outbreaks, 99 persons who ate at a suspect facility developed gastrointestinal symptoms within 24 h, including 18 who were hospitalized. Illness was associated with eating mushrooms at a university cafeteria (relative risk [RR] = 53.0), a hospital cafeteria (RR = 13.8), a pizzeria (odds ratio [OR] = infinity), and a restaurant (OR = infinity) (all P < .0001). Staphylococcal enterotoxin A was found by ELISA in mushrooms at the sites of two outbreaks and in unopened cans from the three plants thought to have produced mushrooms implicated in outbreaks. These investigations led to multistate recalls and a US Food and Drug Administration order to restrict entry into the United States of all mushrooms produced in the PRC; until this action, the United States imported approximately 50 million pounds yearly.

Adult↗

Molecular analysis of Staphylococcus aureus isolates associated with staphylococcal food poisoning in South Korea.

AIMS: To investigate the molecular epidemiological study of Staphylococcus aureus from staphylococcal food poisoning (SFP) incidents in South Korea. METHODS AND RESULTS: Three hundred and thirty-two strains isolated from ten provinces between June 1999 and January 2002 were characterized by staphylococcal enterotoxin genes, toxic shock syndrome toxin 1 (tst) gene, and exfoliative toxin genes. Toxin genotypes were sea-seh (n=197), sea (n=51), sea-seg-sei (n=14), seg-sei (n=10), seb (n=10), seb-sed-seg-sei-sej (n=3), sea-seg-seh-sei (n=1), sea-seb (n=1), sea-sec (n=1), seg-sei plus eta (n=4), and sea-seg-sei plus tst (n=40). Most of the strains could be classified into three clusters of pulsed-field gel electrophoresis (PFGE) types A and B with coagulase type VII and type E with coagulase type IV. Of the ten sequence types (ST), ST1, ST59, and ST30 were frequently showed by multilocus sequence typing. CONCLUSIONS: The strain belonging to PFGE pattern A with sea-seh gene, coagulase VII, and ST1 was the most epidemic clone of SFP incidents in Korea.

Coagulase↗

Estimation of human dose of staphylococcal enterotoxin A from a large outbreak of staphylococcal food poisoning involving chocolate milk.

An outbreak of gastroenteritis in a school district in the United States was determined to be staphylococcal food poisoning due to 2% chocolate milk containing staphylococcal enterotoxin A (SEA). Twelve one-half pint (approx 0.28 l) cartons of the 2% chocolate milk from this outbreak were analyzed for the quantity of SEA present in the milk. The amount of SEA in the cartons varied from 94 to 184 ng with the average being 144 ng (mean = 139 +/- 45). The attack rate for vomiting among those who consumed more than one carton was greater (38.3%) than among those who consumed only one carton (31.5%) with the highest attack rate among those who consumed three or more cartons (44.4%).

Animals↗