The only influenza outbreak that approached 10% death rates was the infamous 1918 "Spanish Flu". In the US specifically, one of those most severe flu seasons caused 61000 fatalities and 45 million infections, or a…
The only influenza outbreak that approached 10% death rates was the infamous 1918 "Spanish Flu". In the US specifically, one of those most severe flu seasons caused 61000 fatalities and 45 million infections, or a…