Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
H and N stands for hemagglutinin(H) and neuraminidase(N), but it would be called Influenza virus or swine flu in Type A category. The ones stand for the slight variations in the form of either proteins. H and N are both protiens that form on every virus's surface.