Thats because the Governor shut down Cali and did what was supposed to do to protects residents and the people are used to walking around with masks on watched what's happening in their homeland and did as they're told to stay inside.

On the other side if true then I am immune as I had that flu so did my family and most families on Anegada as I brought it home in December, the bit your missing and the major difference is a runny nose....