(Sorry for low quality image, finding the right one was hard)

for me its Madagascar

Honestly, main tip is to go for infectivity from the start.
Don’t go for lethality, but severity is somehow useful in moderation as far as I know.

Severity increases gained DNA from red biohazard and orange DNA bubbles, that’s what it does!

(Well, plus increased visibility and decreased research speed)

Always Greenland f**king it all up