Thread by @MackayIM

@horrdorr @statnews 1. Droplets, close and prolonged contact
2. Physical distance, testing, tracing, isolation of the ill
3. <25% seem to remain asympto
4. Can have same viral loads as sympto, so yes. No idea about %
5. Remdesivir maybe, but nothing great yet

@horrdorr @statnews 6. 3 hours (aerosol) to 3 days (shiny hard surfaces)
7. steel, glass, plastic, copper, cardboard, paper, wood, cloth, banknotes, surgical masks - all under *unrealistic* lab conditions. Less IRL
8. Keeping humans 1.5-2m apart is good

@horrdorr @statnews 9. That alone has no $ number to it that I know of, but means a change to indoor spaces where people were traditionally closer than that, if the virus in popn
10. Contact tracing - phone calls/shoe leather, and Apps but privacy & functional issues remain around the latter

@horrdorr @statnews 11. Good PCR primers give good results; rapid lateral serology is unreliable but some new tests emerging will improve on that; good lab serology is reliable when validated and used by experts in collaboration with clinicians