Reply #9: This is not for the full year, but four weeks [View All]

[nadinbrzezinski]

and the only thing I think it is not taking into account, is air travel, or not enough

but if you look at the annual maps for the yearly flu they track someting like this

If you look at the 1918 map, somebody posted the map yesterday from a history program on PBS it looks similar, but going from Kansas on

Of course that is for a full year

Infections , or rather infection rate, looks like a bell curve