2) To be clear, we’ve known #SARSCoV2 is airborne (and known for a while now, despite deniers & downplayers).

But the #b117 is even more transmissible.

aerosol study indicates that coronavirus is persistent and stable up to 16 hours in stagnant air.

3) 6 feet rule not enough indoors

4) Masks and aerosols demo

5) Mask and airborne science compilation video

6) VENTILATION is key. Both ventilation and masks needed to reduce risk indoors. But most buildings not ventilated well enough.