[grey_whiskers]

Waiting for it to hit India and/or Africa.

Then the *REAL* fun begins.

...San Francisco. New York. London.

[datura]

India especially given the density and horrrible hygiene. China is very busy in sub-Saharan Africa, so there has probably been travel there.

[DannyTN]

India would be worse than Africa.
Africa is more spread out.

The population of India is 500 people/sq km.
Africa is 101 people/sq km.
Mauritis and Mayotte in Africa are 600 people/sq km.
US is at 92 people/sq km.