What are the differences between Norovirus & Seasonal Influenza ?

Norovirus Infection Influenza (“the flu”) (“stomach bug”) What causes it? A virus that affects the stomach A virus that affects the & intestines. respiratory system (lungs). How common is it? 23 million cases per year. 5-20% of the US population per year. What are the symptoms? - Sudden onset of nausea, - Sudden onset of fever (up to vomiting and/or watery diarrhea 104° F) with cramps. - Headache - Sore throat - Low-grade fever, chills & body - Cough aches sometimes occur. - Body aches - Congestion - Vomiting & diarrhea not common, but more so in children than adults How long does it last? Typically between 24 and 72 Typically between 3 and 7 days, hours. often longer. Is it serious? Rarely causes severe Usually gets better on its’ own complications. but can cause severe complications, especially among: Dehydration is the most -young children common complication, -the elderly particularly among young -people with health problems children & the elderly. (asthma, chronic lung and/or heart disease, diabetes, etc...) How is it prevented? - No vaccine is available for - Vaccine is available but needs norovirus. to be repeated each flu season.

- Anyone with norovirus - Anyone with flu symptoms symptoms should wait at least should stay home from work & 48 hours after their last episode school until at least 24 hours of vomiting and/or diarrhea after the fever is gone. before preparing food for others. - Wash hands frequently with - Wash hands with soap & water soap & water, or use hand after using the toilet or changing sanitizer (at least 62% ethanol) if diapers, and before preparing soap & water are not available. food or eating. - Cover coughs & sneezes with the elbow or shoulder, or with a tissue that is immediately thrown away.