Sharing an air pocket is a (mostly) synchronous mode of transmission, vs. surface-based which can be asynchronous...
1. Distancing works amazingly well. Simply reducing the # of ppl who share an air pocket synchronously has a massive impact.
3. Megachurches are major seeding sites. Many ppl sharing an air bubble synchronoupsly.
If this is correct, the Mask Truthers will have a lot to answer for at some point.
It's also incredibly hopeful, b/c we could reopen if everyone would just mask up all the time.