3 ms·
It can and does happen: https://en.wikipedia.org/wiki/Influenza_pandemic#Influenza_pandemics https://en.wikipedia.org/wiki/Influenza_pandemic#Influenza_p...
by heavyset_go 4y ago
It can and does happen: https://en.wikipedia.org/wiki/Influenza_pandemic#Influenza_pandemics https://en.wikipedia.org/wiki/Influenza_pandemic#Influenza_p...