Key points
People in this outbreak are reporting eating raw oysters. CDC and FDA are working to determine if a common source of oysters can be identified. Raw oysters can be contaminated with germs at any time of year.
When people got sick
This chart shows when the 64 people in this Salmonella outbreak got sick.
Recent illnesses may not yet be reported as it usually takes 3 to 4 weeks to determine if a sick person is part of an outbreak. The true number of sick people in this outbreak is also likely much higher than the number reported. This is because many people recover without medical care and are not tested for Salmonella.