2 doctors weighed in:

Is the flu always a disease caused by a virus?

2 doctors weighed in
Dr. Larry Lutwick
Internal Medicine - Infectious Disease
1 doctor agrees

In brief: Sure

True influenza is always caused by an influenza virus but there are lots of influenza-like viruses caused by other respiratory viruses and the stomach 'flu, not an influenza at all.

In brief: Sure

True influenza is always caused by an influenza virus but there are lots of influenza-like viruses caused by other respiratory viruses and the stomach 'flu, not an influenza at all.
Dr. Larry Lutwick
Dr. Larry Lutwick
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