Category Archives: foodborne outbreak

USA – FDA Core Investigation Table Update

FDA

What’s New

  • A new outbreak of Salmonella Hartford (ref # 1144) linked to a not yet identified product has been added to the table. FDA has initiated traceback.
  • For the outbreak of hepatitis A virus (ref #1143), the case count has been adjusted from nine to five cases, following CDC’s exclusion of suspect cases from the case count. FDA has initiated sample collection and analysis.
Date
Posted
Ref Pathogen
or
Cause of
Illness
Product(s)
Linked to
Illnesses

(if any)
Total
Case
Count

Status
3/8/2023 1144 Salmonella Hartford Not Yet
Identified
31 Active
3/1/2023 1143 Hepatitis A Virus Not Yet
Identified
5 Active
2/15/2023 1123 Listeria
monocytogenes
Not Yet
Identified
See
CDC
Investigation
Notice
Active
11/9/2022 1127 Listeria
monocytogenes
Enoki
Mushrooms
See
Outbreak
Advisory
Active

Food Safety News – USA- Publisher’s Platform: It’s time to deal with hepatitis A and food service workers

Food Safety News

The Advisory Committee on Immunization Practices (ACIP) provides advice and guidance to the Director of the CDC regarding use of vaccines and related agents for control of vaccine-preventable diseases in the civilian population of the United States. Recommendations made by the ACIP are reviewed by the CDC Director and, if adopted, are published as official CDC/HHS recommendations in the Morbidity and Mortality Weekly Report (MMWR).

Presently, approximately 5% of all hepatitis A outbreaks are linked to infected food-handlers.

Here is what the CDC continues to say about vaccinating food-handlers:

Why does CDC not recommend all food handlers be vaccinated if an infected food handler can spread disease during outbreaks?

Greece – Catered food linked to school outbreak in Greece – Clostridium perfringens

Food Safety News

A suspected Clostridium perfringens outbreak affected 30 people in Greece in 2021, according to a study.

In May 2021, several gastroenteritis cases were reported among students and staff of a high school on a Greek island. Daily hot lunches were delivered by a catering company and consumed in classrooms.

In late May, the Hellenic National Public Health Organization was informed by a regional unit of the Hellenic Food Authority (EFET) about a cluster of gastroenteritis cases among 12 to 18-year-old students and teachers. The school is in a small town on a remote north-eastern Aegean Greek island, which had limited capacity for specific laboratory testing.

Study Link

USA – More than 100 students home sick due to suspected Norovirus-related illnesses

ABC15

PHOENIX — More than 100 students at Hopi Elementary School in Arcadia stayed home due to illness this week, and norovirus could be the cause.

Norovirus, which is also called food poisoning, stomach flu, or stomach bug, is the leading cause of foodborne illness, according to the Centers for Disease Control and Prevention (CDC).

ABC15 learned an email was sent to parents at Hopi Elementary School, urging children experiencing nausea, vomiting, diarrhea, stomach pains, and low-grade fever to stay at home.

The email also noted, “Per the CDC the most common cause of these symptoms is the norovirus.”

New Zealand – Sick for days: Consumers report food poisoning after eating hummus – Salmonella

Stuff NZ

Hummus products subject to a recall due to salmonella contamination concerns could have been on shelves for weeks.

And while the Ministry for Primary Industries has not had any reports of illness, some consumers say they have been affected.

Have you been affected? Contact brianna.mcilraith@stuff.co.nz

Shaina Petersen said she became unwell on Monday and had eaten some of the affected hummus at the weekend.

She went to the doctor on Thursday and was tested but had not yet received the results. “The doctor said given my symptoms I’m a probable case. My symptoms have been flu-like with fatigue, chills, aches, headache, nausea and diarrhoea but with painful stomach cramping, loss of appetite and a curdling feeling.”

USA – Ruby Princess: More than 200 sickened on the Princess Cruises voyage

Outbreak News Today

Federal health officials are reporting that some 219 passengers and crew suffered with symptoms of  vomiting and diarrhea during a recent Princess Cruises’ Ruby Princess voyage (RU305P  from February 26–March 5, 2023).

To date, the etiology of the illness has not been discovered.

In response to the outbreak, Princess Cruises and the crew aboard the ship reported the following actions:

  • Increased cleaning and disinfection procedures according to the ship’s outbreak prevention and response plan.
  • Collected stool specimens from gastrointestinal illness cases to send to the CDC lab for pathogenic identification.

Vessel Sanitation Program (VSP) epidemiologists and environmental health officers will board the ship in Galveston, Texas, on March 5 to conduct a formal outbreak investigation.

Ireland – Outbreak of Salmonella Typhimurium on the island of Ireland declared over

NDSC

An outbreak investigation was launched by HPSC on 22/12/2022 after seven Salmonella Typhimurium isolates were identified as forming a cluster by routine Whole Genome Sequencing (WGS) carried out by the National SalmonellaShigella and Listeria Reference Laboratory (NSSLRL). The isolates, which were of a less commonly occurring subtype of Salmonella Typhimurium, MLST type ST36, were related to two previous Salmonella Typhimurium isolates (sequenced in the NSSLRL in October 2020 and December 2021) and isolates identified in other European countries since 2020. The source of salmonellosis was not identified for these previous cases. An additional thirteen isolates were added to this cluster following further WGS by the NSSLRL in January 2023, while WGS performed by the Gastrointestinal Bacteria Reference Unit (GBRU) of the UK’s Health Security Agency’s (UKHSA) identified an additional seven cases resident in Northern Ireland and England that fell within the same cluster. In total 27 cases, identified between December 2022 and January 2023, who were resident on or who visited the island of Ireland were investigated as part of this outbreak.

Epidemiological data on outbreak cases were collected in each jurisdiction via national computerised surveillance systems, enhanced surveillance forms and trawling questionnaires. Symptom onset dates for cases ranged between the 30th of November 2022 and the 13th of January 2023, peaking on December 7th. Cases were geographically distributed across multiple areas on the island of Ireland. Fourteen cases were male and thirteen were female. Most cases were adults, ranging in age from 25 to 91 years, and two cases were children (aged <18 years). The median age of cases was 57 years. Forty-one percent (41%) of cases (n=11) were reported to have been hospitalised.[1]

A multi-disciplinary Outbreak Control Team (OCT), chaired by HPSC, was convened in January 2023. This group comprised representatives from HPSC, National Health Protection Service, NSSLRL, Departments of Public Health, the HSE Environmental Health Service, The Food Safety Authority of Ireland (FSAI) and the HSC Public Health Agency of Northern Ireland (PHA) and Food Standards Agency in Northern Ireland (FSA-NI). The OCT met four times during January and February 2023. Enhanced surveillance forms and trawling questionnaires were used to determine food and environmental exposure histories for all cases but no common exposures were identified. Additionally, food business supplier lists were examined and no commonalities were identified. The outbreak was declared over on February 16th 2023 as more than two incubation periods had elapsed without the reporting of new cases associated with this cluster but the source of this outbreak remains unknown.

In January 2023, FSAI instigated a food recall of batches of chicken products due to the detection of Salmonella Typhimurium and the Department of Agriculture, Food and the Marine launched an investigation into the incidence of Salmonella Typhimurium in a number of broiler flocks. There is no microbiological evidence of a link between the cases of salmonellosis investigated as part of this outbreak with the poultry product recall and positive poultry flocks.

Finland – Around 150 cases of food poisoning caused by oysters in Helsinki – Norovirus

Helsinki Times

Food Borne Illness - Norovirus -CDC Photo

Between February 8th and 26th, 2023, around 150 people have reported falling ill after eating oysters in restaurants across Helsinki. The illnesses are related to oysters imported from France and the Netherlands.

Reports of illnesses have been recorded from several different restaurants, prompting inspections and sample collections from affected venues. Importers of the oysters in question have also withdrawn their products from the market.

The examination of food samples is still ongoing, but some patient samples have already been completed. So far, seven individuals have tested positive for norovirus related to this outbreak.

Those who have eaten oysters are being encouraged to contact environmental services to provide information for the ongoing investigation.

USA – New Hepatitis A outbreak discovered; other outbreak investigations continue

Food Safety News

Federal officials have identified a new outbreak of hepatitis A infections suspected to be from a food source.

The Food and Drug Administration reports that it has begun product traceback efforts, but the agency has not named the product or products being traced.

As of March 1 there have been nine patients identified. The FDA has not reported where the patients live or their ages.

Hepatitis A can be transmitted when food handlers have contaminated hands. This contamination usually comes from microscopic amounts of feces. Thorough hand washing is one of the best ways to prevent transmission of the disease. Food surfaces can become contaminated as well as foods and beverages.

USA – FDA Advises Restaurants, Retailers and Consumers to Avoid Recalled Wild Harvest Oysters from Harvest Area FL-3012, Cedar Key, Florida Potentially Contaminated with Salmonella

FDA

Audience

  • Restaurants and food retailers that have received shipments of wild harvest oysters from harvest area FL-3012, Cedar Key, Florida, harvested between December 16, 2022, and February 24, 2023.
  • Consumers who have recently purchased oysters from area FL-3012 sold in Alabama, Florida, and Georgia.

Product

  • Wild harvest oysters from FL-3012, Cedar Key, Florida, harvested between December 16, 2022, and February 24, 2023. The oysters were distributed to restaurants and retailers in Alabama, Florida, and Georgia It is possible that additional states received these oysters through further distribution.
  • Packaged oysters include harvest area information on the packaging.

Purpose

The FDA is advising consumers not to eat, and restaurants and food retailers not to sell, and to dispose of recalled wild harvest oysters from FL-3012, Cedar Key, Florida, harvested between December 16, 2022, and February 24, 2023, due to possible Salmonella contamination. These oysters were sold in Alabama, Florida, and Georgia. Consumers who purchased oysters after December 16, 2022, should check the packaging to see if they were wild harvest oysters from FL-3012, Cedar Key, Florida. Contaminated oysters can cause illness if eaten raw, particularly in people with compromised immune systems. Food contaminated with Salmonella may look, smell, and taste normal. Consumers of these products who are experiencing symptoms of salmonellosis should contact their healthcare provider, who should report their symptoms to their local Health Department.

Summary of Problem and Scope

The Florida Department of Health and the state health departments of Georgia and Alabama have detected a Salmonella outbreak associated with the consumption of raw oysters harvested from shellfish harvesting area FL-3012 in Cedar Key, Florida. To date, there have been 8 cases linked to this outbreak within Florida, Georgia, and Alabama. On February 24, 2023, the Florida Department of Agriculture and Consumer Services issued an emergency closure order for wild harvest oysters from harvest area FL-3012 and initiated a recallExternal Link Disclaimer of wild harvest oysters from harvest area FL-3012 in Cedar Key that were harvested from December 16, 2022, to February 24, 2023. On February 24, the State of Florida also notified the Interstate Shellfish Sanitation Conference of the closure and recall. Florida Department of Health posted an advisory bulletin on February 28. 2023.

FDA Actions

The FDA is issuing this alert advising consumers not to eat, and restaurants and food retailers not to sell, recalled wild harvest oysters from FL-3012, Cedar Key, Florida, harvested between December 16, and February 24, 2023, due to possible Salmonella contamination. The FDA will assist with and coordinate interstate notification efforts as necessary pending receipt of shellfish distribution information.

Symptoms of Salmonellosis

Most people infected with Salmonella will begin to develop symptoms 12 to 72 hours after infection. The illness, salmonellosis, usually lasts four to seven days and most people recover without treatment.

Most people with salmonellosis develop diarrhea, fever, and abdominal cramps. More severe cases of salmonellosis may include a high fever, aches, headaches, lethargy, a rash, blood in the urine or stool, and in some cases may become fatal. The U.S. Centers for Disease Control and Prevention estimated that approximately 450 persons in the United States die each year from acute salmonellosis.

Due to the range in severity of illness, people should consult their healthcare provider if they suspect that they have developed symptoms that resemble a Salmonella infection.

Recommendations for Restaurants and Retailers

Restaurants and retailers should not sell the potentially contaminated oysters. Restaurants and retailers should dispose of any potentially contaminated products by throwing them in the garbage or returning to their distributor for destruction.

Restaurants and retailers should also be aware that oysters and other filter-feeding bivalve molluscan shellfish may be a source of pathogens and should control the potential for cross-contamination of food processing equipment and the food processing environment. They should follow the steps below:

  • Wash hands with warm water and soap following the cleaning and sanitation process.
  • Retailers, restaurants, and other food service operators who have processed and packaged any potentially contaminated products need to be concerned about cross-contamination of cutting surfaces and utensils through contact with the potentially contaminated products.
  • Retailers that have sold bulk product should clean and sanitize the containers used to hold the product.
  • Regular frequent cleaning and sanitizing of food contact surfaces and utensils used in food preparation may help to minimize the likelihood of cross-contamination.