What is a strain number of influenza virus in A/Texas/50/2012 (H3N2)?

a. A
b. Texas
c. 50
d. 2012
e. H3N2

Answer: (c) Influenza is named according to the type, the location of initial isolation, the strain designation, and the year of isolation. For example, A/Texas/50/2012 (H3N2), or H3N2, is influenza type A with origin in Texas, with strain No. 50, isolated in 2012 and of the H3N2 subtype.

Try our Naplex QBank. www.pharmacyexam.com **Please note: This type of question will not show up in an MPJE. We are just posting to MPJE group for knowledge.