Cases on the rise in the US.

Symptoms:
Diarrhea
Vomiting
Nausea
Stomach Pain
Fever
Headaches
Body Pain

Usually goes away in a few days.

Most happen at nursing homes or cruise ships

best prevention is to wash your hands and cleaning surfaces with solution that contain bleach.

Antibacterial gels are not as effect as washing your hands.

There is no vaccine and it is not expected for ten years.

More details here in the report
Morbidity and Mortality Weekly Report (MMWR)