Influenza A viruses tend to garner most of the attention, but let’s not forget that there are two other virus types, B and C. The enveloped influenza A virions have three membrane proteins (HA, NA, M2), a matrix protein (M1) just below the lipid bilayer, a ribonucleoprotein core (consisting of 8 viral RNA segments and … Continue reading The A, B, and C of influenza virus