40+/-% of cases due to in-home contacts, and 20+/-% due to close social contacts, mostly inside homes:

Social gatherings seem to be driving the spread of coronavirus within communities.

Source: Just how is coronavirus spreading in record numbers in Oregon? – oregonlive.com

This is why cases are exploding everywhere that has had high compliance face mask mandates for months. We wear masks where the risks are actually quite low (inside Lowe’s or Home Depot) but not where risks are quite high – inside homes and inside restaurants where guests sit for an hour with limited air flow occurring.

Graphic from Oregonian article, above:.

By EdwardM

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