Reply #22: Read up on the last n1 h1 shift. There's a reason for the concern. [View All]

[lysosome]

Though, admittedly, there's no way to tell. There was no way to tell subtypes back in 1918. We only know the subtype now because we checked on bodies frozen in the ground. For all we know N1H1 could have been the normal flu variant for years before the swine flu.