These are the causes and symptoms of every common type of food poisoning

Every year, 48 million people in the US contract some form of foodborne illness.

Just this week, a Chipotle in Ohio temporarily closed down because more than 400 people said they got sick after eating there. And products sold at grocery stores like Trader Joe’s and Walgreens were recalled because they used lettuce from a supplier that sold McDonald’s a salad mix contaminated with cyclospora.

In many cases, a bout of foodborne illness leads to nausea, diarrhoea, cramps, and vomiting. But in more severe cases, food poisoning can be fatal.

The CDC tracks the bugs that are most likely to cause food poisoning. The most common agents of illness are noroviruses,Salmonella, Clostridium perfringens,Campylobacter, and Staph. The most dangerous include E. Coli, Vibrio, Listeria, and botulism.

Infections with a bug that causes food poisoning are particularly risky for pregnant women, the elderly, the very young, and people with compromised immune systems.

Here are some of the most common causes of foodborne illness, according to the CDC, and where people encounter the bugs that cause them.

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