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At least 721 records · Page 40Linked to original sources
PubMed1995

Multistate outbreak of viral gastroenteritis associated with consumption of oysters--Apalachicola Bay, Florida, December 1994-January 1995.

On January 3, 1995, the Florida Department of Health and Rehabilitative Services (HRS) was notified of an outbreak of acute gastroenteritis associated with eating oysters. The subsequent investigation by HRS has identified 34 separate clusters of cases, many of which were associated with oysters harvested during December 29-31 from 13 Mile Area and Cat Point in Apalachicola Bay. Oysters were shipped to other states, but additional clusters of illness associated with these oysters have been reported only in Georgia. Most of these oysters were served steamed or roasted. This report summarizes the preliminary findings of the ongoing investigation of this outbreak.(ABSTRACT TRUNCATED AT 250 WORDS)

Acute Disease↗
PubMed1996

Vibrio vulnificus infections associated with eating raw oysters--Los Angeles, 1996.

Of all foodborne infectious diseases, infection with Vibrio vulnificus is one of the most severe; the case-fatality rate for V. vulnificus septicemia exceeds 50%. In immunocompromised hosts V. vulnificus infection can cause fever, nausea, myalgia, and abdominal cramps 24-48 hours after eating contaminated food; because the organism can cross the intestinal mucosa rapidly, sepsis and cutaneous bullae can occur within 36 hours of the initial onset of symptoms. Cases are most commonly reported during warm-weather months (April-November) and often are associated with eating raw oysters. During April 1993-May 1996, a total of 16 cases of V. vulnificus infection were reported in Los Angeles county. Fifteen (94%) of these patients were primarily Spanish-speaking, 12 (75%) had preexisting liver disease (associated with alcohol use or viral hepatitis), all were septicemic, and all had eaten raw oysters 1-2 days before onset of symptoms. In May 1996, three deaths related to V. vulnificus infection among primarily Spanish-speaking persons were reported to the Los Angeles County Department of Health Services (LACDHS). This report summarizes the findings of the investigations of these fatal cases and illustrates the importance of prevention strategies for persons with preexisting liver disease.

Adult↗
PubMed1997

Prevention of Vibrio vulnificus infections. Assessment of regulatory educational strategies.

CONTEXT: Vibrio vulnificus-related disease caused by eating contaminated raw oysters prompted California to implement regulatory educational initiatives in 1991. OBJECTIVE: To assess California guidelines and education efforts with regard to the prevention of V. vulnificus infections in Los Angeles County and to evaluate compliance with state regulations mandating posting of warning signs concerning risks of eating raw oysters. DESIGN: Review of epidemiologic investigations of V. vulnificus infections in Los Angeles County between 1993 and 1995; telephone interviews of patients or surrogates; and a survey of restaurants serving raw oysters in Los Angeles County. SETTING: General community. MAIN OUTCOME MEASURES: Prior warning of patients and posting of warning signs in restaurants. RESULTS: Recent cases of V. vulnificus infections in Los Angeles County suggest that a unique, vulnerable group (uninsured Hispanic men with viral or alcoholic liver disease) has not been reached through education efforts. Of a total of 11 cases, information regarding being warned about the hazard of eating raw shellfish was available for 8; of these, only 1 case was reported as having been warned, but he had misunderstood the preventive message. Warning signs were not posted adequately in more than 50% of restaurants surveyed and one third of these establishments had signs in English only. Warnings were never located on dining tables and rarely included in menus. CONCLUSION: A more effective strategy is required to prevent V.vulnificus infections in Los Angeles County.

Animals↗
PubMed1998

Outbreak of Vibrio parahaemolyticus infections associated with eating raw oysters--Pacific Northwest, 1997.

During July-August 1997, the largest reported outbreak in North America of culture-confirmed Vibrio parahaemolyticus infections occurred. Illness in 209 persons was associated with eating raw oysters harvested from California, Oregon, and Washington in the United States and from British Columbia (BC) in Canada; one person died. This report summarizes the investigations of the outbreak, which suggest that elevated water temperatures may have contributed to increased cases of illness and highlights the need for enhanced surveillance for human infections.

Adolescent↗
PubMed1999

Outbreak of Vibrio parahaemolyticus infection associated with eating raw oysters and clams harvested from Long Island Sound--Connecticut, New Jersey, and New York, 1998.

During July-September 1998, an outbreak of Vibrio parahaemolyticus infections associated with consumption of oysters and clams harvested from Long Island Sound occurred among residents of Connecticut, New Jersey, and New York. This is the first reported outbreak of V. parahaemolyticus linked to consumption of shellfish harvested from New York waters. This report summarizes the investigation of this outbreak.

Animals↗