Food Safety Updates From CDC

Published February 28, 2023

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Illustration of the E. coli pathogen

New Web Page: Persistent Strain of E. coli O157:H7

CDC recently posted information about a persistent strain of E. coli O157:H7 bacteria (REPEXH01) that has caused illnesses and outbreaks in the United States since 2017. The information includes when and where the illnesses have occurred, what sources have been identified, and detailed laboratory data. Visit the web page to learn more about REPEXH01.

Notable investigations with a confirmed source include an outbreak linked to contaminated recreational water in California in 2017 and an outbreak linked to contaminated irrigation water and romaine lettuce from the Yuma, Arizona, growing region in 2018.  Learn more about recurring, emerging, or persisting strains that can cause illnesses and outbreaks

PHoto of corned beef and potatoes on a plate.

Today’s Food Safety Tip

St. Patrick’s Day is just around the corner. You may be preparing food, such as corned beef and cabbage.

If you need to thaw meat or poultry before cooking, you can use the refrigerator, cold water, or microwave method. Here’s how to thaw safely:

In the refrigerator: Allow about 24 hours of thawing for every 5 pounds of weight.

In cold water: Allow about 30 minutes of thawing per pound and change the water every 30 minutes.

In the microwave: Follow the microwave manufacturer’s instructions.

Get more information on safely thawing and cooking.