Exactly. There is likely a direct correlation between number of infections and number of non-American visitors and residents. Particularly Chinese and Europeans. Combine that with people living on top of one another and you have a big ol' multi-cultural petri dish.
International hubs + high density. I also suspect NY is worse because of the shared and popular transit system. In CA, few people use public transit.
Exactly. There is likely a direct correlation between number of infections and number of non-American visitors and residents. Particularly Chinese and Europeans. Combine that with people living on top of one another and you have a big ol' multi-cultural petri dish.