https://www.mercurynews.com/2020/05/21/coronavirus-could-bay-areas-early-shelter-in-place-order-have-saved-thousands-of-lives/

There has been much attention paid to the reasons why, up and down the West Coast, the impact of COVID-19 has been less than other hot spots.

Was it a different strain of the virus? What about our relative lack of density, or reliance on cars over crowded public transit? Did we simply get lucky?