All News / Outbreaks /

Bagged salads a gamble not worth taking, expert says

A press release issued by MSU proposes the idea that bagged pre-washed salads may be a game of chance, there the odds are not in the consumer’s favor.

Prewashed packaged vegetables, like the spinach that is the focus of the recent outbreak of E. coli, always have been viewed with suspicion from experts in foodborne illness because it’s a packaging system that inherently increases the risk of spreading germs.

Thomas Whittam, Michigan State University Hannah Distinguished Professor of microbial evolution, says that the combination of E. coli’s durability and power with a mixture of produce creates the potential for a veritable “stew” of food poisoning.

"When a contaminated plant gets mixed in with hundreds of other plants and packaged together, and when it takes very few bacteria to get sick, that really increases the risks," Whittam said. "With washing you can remove 99.99 percent of the bacteria, but the few that make it through don’t get killed by normal defenses in the stomach. Basically, you’re assuming a lot of risk."

Get Help

Affected by an outbreak or recall?

The team at Marler Clark is here to answer all your questions. Find out if you’re eligible for a lawsuit, what questions to ask your doctor, and more.

Get a free consultation
Related Resources
E. coli Food Poisoning

What is E. coli and how does it cause food poisoning? Escherichia coli (E. coli) is a highly studied, common species of bacteria that belongs to the family Enterobacteriaceae, so...

E. coli O157:H7

E. coli O157:H7 is a foodborne pathogen that causes food poisoning. E. coli O157:H7 is the most commonly identified and the most notorious Shiga toxin-producing E. coli (STEC) serotype in...

Non-O157 STEC

Non-O157 Shiga Toxin-Producing E. coli can also cause food poisoning. E. coli O157:H7 may be the most notorious serotype of Shiga toxin-producing E. coli (STEC), but there are at least...

Sources of E. coli

Where do E. coli O157:H7 and non-O157 Shiga toxin-producing E. coli (STEC) come from? The primary reservoirs, or ultimate sources, of E. coli O157:H7 and non-O157 STEC in nature are...

Transmission of and Infection with E. coli

While many dairy cattle-associated foodborne disease outbreaks are linked to raw milk and other raw dairy products (e.g., cheeses, butter, ice cream), dairy cattle still represent a source of contamination...

Outbreak Database

Looking for a comprehensive list of outbreaks?

The team at Marler Clark is here to answer all your questions. Find out if you’re eligible for a lawsuit, what questions to ask your doctor, and more.

View Outbreak Database