July 30, 2021

Salmonella Weltevreden Shrimp Outbreak Ends With Six Ill

The Salmonella Weltevreden shrimp outbreak has ended with six people sick in two states, according to an update by the Centers for Disease Control and Prevention (CDC). This outbreak was linked to a recalled product: shrimp imported from India by Avanti Frozen Foods. The patient case count is: Arizona (2) and Nevada (4). This case count has not increased since the initial investigation report was released almost a month ago. The patient age range is from 30 to 80 years of age. Of five people who gave information about their condition to the CDC, two were hospitalized, for a hospitalization rate of 40%, which is high for a Salmonella outbreak. And of those interviewed, all said they ate shrimp the week before they got sick. Epidemiologic, traceback, and laboratory evidence … [Read more...]

Cooked Shrimp Salmonella Outbreak: How is Seafood Contaminated?

The cooked shrimp Salmonella outbreak announced by the FDA last week is not the first time seafood has been linked to a Salmonella outbreak. But does seafood naturally contain Salmonella bacteria, like chickens and sometimes beef? If not, how is seafood contaminated with this pathogen? Seafood such as shrimp and tuna do not naturally carry Salmonella bacteria, unlike poultry and other warm-blooded animals, according to a 2005 National Library of Medicine study published in the Journal of Food Protection. That study states, "Salmonella is not part of the natural flora of the shrimp culture environment nor is it inherently present in shrimp grow-out ponds. The occurrence of Salmonella bacteria in shrimp from aquaculture operations is related to the concentration of fecal bacteria in … [Read more...]

FDA Investigation Into Shrimp Salmonella Weltevreden Outbreak

The FDA has released its initial investigation into the shrimp Salmonella Weltevreden outbreak that has sickened at least six people in two states. The frozen precooked shrimp was imported by Avanti Frozen Foods of India. A positive import sample, along with epidemiological and traceback evidence that has come out of the investigation, indicates that this outbreak is linked to that frozen cooked shrimp. The FDA has identified a common import of shrimp that could have been consumed by these patients. The shrimp was all sold thawed at retail and is no longer available for sale. On January 26, 2021, an import sample of Avanti Frozen Foods shrimp was collected as part of the FDA's Import Seafood Compliance Program. The shrimp tested positive for Salmonella Weltevreden. At that time, … [Read more...]

Frozen Cooked Shrimp Salmonella Outbreak Sickens 6 in NV and AZ

A frozen cooked shrimp Salmonella outbreak has sickened at least six people who live in Nevada and Arizona. Two people are hospitalized because they are so sick. Epidemiologic, laboratory, and traceback data show that frozen cooked shrimp supplied by Avanti Frozen Foods is contaminated with Salmonella Weltevreden. The case count by state is: Arizona (2) and Nevada (4). Illness onset dates range from February 26, 2021 to April 25, 2021. The patients age range is from 30 to 80 years. Of five people who gave information to public health officials, two have been hospitalized for a hospitalization rate of 40%, double the typical rate of 20%. State and local public health officials interviewed patients about the foods they ate the week before they got sick. Of the five people … [Read more...]

Hannaford Meijer 365 Shrimp Recalled in Salmonella Outbreak

The Salmonella Weltevreden outbreak announced by the FDA on their Outbreak Investigation Table last week now has product names associated with it. Six people who live in Nevada and Arizona are sick in this outbreak. Today, a recall was announced for Hannaford Meijer 365 shrimp, along with other brands, in association with this outbreak. The potential for contamination was identified by the FDA based on prior testing of frozen cooked shrimp imported by Avanti Frozen Foods. Avanti Frozen Foods did not distribute that prior batch of imported shrimp and destroyed it. The company has taken steps to eliminate the potential for future contamination. The recall is for different brands of frozen cooked, peeled, deveined shrimp, some packaged with cocktail sauce, that were sold in various … [Read more...]

Pure Eire Yogurt E. coli Outbreak Case Count Grows to 17

The Pure Eire yogurt E. coli outbreak case count has grown to 17, according to a new update by the Washington State Department of Health. One new case from Arizona, who has been infected with the outbreak strain, has been identified. All three of the Arizona cases are considered secondary infections. According to the patient age range chart, the new case is between the ages of 10 and 19. The outbreak case count by county in Washington is: Benton (1), Clark (1), King (9), Snohomish (2), and Walla Walla (1). Three cases are in Yavapai county in Arizona. The patient age range is 0 to nine years (10), 10 to 19 years (3), 20 to 29 years (1), 30 to 39 years (1), and 70 to 79 years (1). Four patients have developed hemolytic uremic syndrome (HUS), a type of kidney failure, and ten patients … [Read more...]

Yogurt E. coli Outbreak: What is a Secondary Food Poisoning Infection?

In the Pure Eire yogurt E. coli outbreak that has sickened at least 16 people in Washington and Arizona, some of the patients have contracted secondary food poisoning infections. This term may not be familiar to everyone. So what is this type of infection? A secondary food poisoning infection occurs when someone gets sick from contact with another person, not by eating contaminated food or drinking contaminated water. Many pathogens can be spread person-to-person, by direct contact and common contact with fomites (surfaces), both through the fecal-oral route. In the Pure Eire yogurt E. coli outbreak, for instance, two children in Arizona are sick with the outbreak strain, but neither consumed the recalled yogurt. Instead, they contracted this infection after having close contact … [Read more...]

Organic Yogurt E. coli Outbreak Expands, Investigation Continues

An E. coli outbreak linked to organic yogurt sold under the brand names Pure Eire and PCC Market now includes 16 cases, a spokesperson told Food Poisoning Bulletin today. Most of the people sickened are children. Ten people have been hospitalized, and four have developed hemolytic uremic syndrome (HUS), a form of kidney failure associated with E. coli infections. The organic yogurt E. coli outbreak includes 14 cases in Washington and two cases in Arizona. Both cases in Arizona are considered secondary infections, meaning the Arizona patients did not eat the yogurt but were in close contact with a visitor from Wahington who did. The grass-fed, organic yogurt associated with the outbreak is produced by Pure Eire Dairy of Othello, WA  and sold under the brand names Pure Eire and PCC … [Read more...]

FDA Releases Results of Romaine Lettuce Sampling Assignment

The FDA has released results of their romaine lettuce sampling assignment, which was instituted after years of Shiga toxin-producing E coli (STEC) outbreaks linked to that product. The FDA did not detect any pathogens during the assignment. Unfortunately, this is not unusual and doesn't mean that there will not be any more outbreaks linked to romaine or leafy greens. Contamination can be spotty and can vary with weather conditions and the presence of animals in the field. Furthermore, it's impossible to sample every leaf of romaine lettuce. E. coli bacteria tend to clump in small amounts and can be difficult to detect. It only takes 10 of these bacteria to make someone sick. And one head of contaminated lettuce can contaminate many bags of prepared lettuce. In fact, the study … [Read more...]

History of Romaine E. coli Outbreaks Over the Last Three Years

There has not yet been a romaine E. coli outbreak in the United States in 2020, but the year isn't over yet. Let's take a look back at the history of romaine E. coli outbreaks, including leafy greens, over the past three years. There was one outbreak in 2017, two in 2018 and three in 2019. In all of these outbreaks, the romaine lettuce in question was harvested either in the Yuma Arizona region or in the Central California region of the country. Many recalls were issued in regards to all of these outbreaks. This is the history of romaine E. coli outbreaks over the past three years. Leafy Greens E. coli O157:H7 Outbreak in 2017 In November  2017, the CDC announced and E. coli O157:H7 outbreak linked to leafy greens. At least twenty-five people in 15 states were sickened. Nine … [Read more...]

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