- Restaurants and food retailers in Arizona (AZ), California (CA), Colorado (CO), Georgia (GA), Idaho (ID), Kansas (KS), Nevada (NV), Texas (TX), Utah (UT), and Washington (WA) that have purchased frozen, raw, half-shell oysters with Lot Code: B250130, harvested from Designated Area No. 1 in the Republic of Korea (ROK) on Jan. 30, 2025
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Oysters tied to Norovirus in Nevada

The Southern Nevada Health District is investigating cases of acute gastrointestinal illnesses linked to the consumption of certain frozen half-shell oysters from South Korea. To date, five Clark County residents have reported illness after consuming oysters associated with this investigation. Currently, no epidemiological link has been confirmed, and no hospitalizations have been reported.
The Health…
More Korean Oysters recalled due to Norovirus

The FDA is updating this Safety Alert after a related recall was issued by Daihung Mulsan Co., Ltd. (KR 7 SP) of the Republic of Korea (ROK) to include additional harvest dates of certain frozen half shell oysters because they may be contaminated with norovirus. The voluntary recall includes additional oysters that were processed by…
15 people became ill after eating Louisiana oysters
In the interest of ensuring public health and safety, the Louisiana Department of Health (LDH) has closed a molluscan shellfish harvesting area in Area 3 and ordered a recall of all oysters harvested from that area since January 10, 2025. This includes shucked, frozen, breaded, post-harvest processed and oysters for the half-shell market due to
…Norovirus Outbreaks spike as Oysters are pulled

There have been numerous press reports recently of norovirus outbreaks at restaurants that have served shellfish. The CDC has reported that during August 1–December 11, 2024, there were 495 norovirus outbreaks reported by participating states. During the same period last seasonal year, there were 363 norovirus outbreaks reported by these states. The total number of…
LA Best Restaurant Event hit with Norovirus Outbreak tied to Raw Oysters

According to USA Today, The Los Angeles County Department of Public Health is investigating a norovirus outbreak after oysters served at a Los Angeles County event this month made over 80 people sick.
The event was a Los Angeles Times 101 Best Restaurants event, according to Santa Monica Seafood, a company involved in the situation.…
What to know about Norovirus and Oysters

What is Norovirus?
The Centers for Disease Control and Prevention (CDC) estimates that noroviruses cause nearly 21 million cases of acute gastroenteritis annually, making noroviruses the leading cause of gastroenteritis in adults in the United States.
Nature has created an ingenious bug in norovirus. The round blue ball structure of norovirus is a protein surrounding…
FDA warns of BC Oysters with Norovirus
- Restaurants and food retailers in Arizona (AZ), California (CA), Colorado (CO), District of Columbia (DC), Florida (FL), Georgia (GA), Hawaii (HI), Illinois (IL), Kentucky (KY), Missouri (MO), Nevada (NV), New Jersey (NJ), New York (NY), North Carolina (NC), and Pennsylvania (PA) that have recently purchased oysters that were harvested between 12/1/2024 and 12/9/2024 from
Oysters and Manila clams from Washington linked to Norovirus
- Restaurants and food retailers in Arizona (AZ), California (CA), Florida (FL), Massachusetts (MA), Michigan (MI), New York (NY), and Washington (WA) that have recently purchased oysters or Manila clams harvested from 11/15/2024 to 12/11/2024 by Rudy’s Shellfish (WA-1590-SS) from the Pickering Passage growing area in Washington.
- Consumers in AZ, CA, FL, MA, MI, NY,
Norovirus is the most common foodborne pathogen
Norovirus is one of the most common causes of foodborne illness worldwide, and several factors contribute to its prevalence:

Only a small number of virus particles (as few as 18) are needed to cause infection, making it extremely easy to contract.
Norovirus spreads quickly through contaminated food, water, surfaces, and direct person-to-person contact. It can…