17 déc. 1920 - 1918 Influenza outbreak (copy)
Description:
an unusually deadly influenza pandemic, the first of the two pandemics involving H1N1 influenza virus. ... Scientists offer several possible explanations for the high mortality rate of the 1918 influenza pandemic.Ajouté au bande de temps:
Date:
17 déc. 1920
Maintenaint
~ Il y a 104 ans