The new flu season is in full swing and chances are you are treating the illness every day even as you continue to provide vaccination against it. Most clinicians are aware of the A and B strains of influenza but a C strain can also cause disease in humans, although symptoms are mild at worst. Take a minute from your double-booked day and let’s see how well you know the ABC’s of influenza.
1. Pandemic flu can be caused by:
A. “A” strains only
B. Usually “A” strains, but also occasionally “B” strains
C. Usually “A” strains, but also rarely “B” strains
D. “A” and “B” stains roughly equally
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