severe influenza

Can Influenza A Cause Diarrhea? Although the main route of human influenza virus infection is respiratory, GI symptoms such as anorexia, diarrhea, vomiting, and abdominal pain are common manifestations [3–12], and may be a hallmark of severe influenza [13–18]. Why do I have diarrhea and the flu? Viral gastroenteritis is an intestinal infection marked by