COVID-19 Outbreak (Update: More than 2.9M cases and 132,313 deaths in US)

More of air flow from AC moving droplets around confined space..

Article:
https://wwwnc.cdc.gov/eid/article/26/7/20-0764_article
Interesting Thread/Comments:



assuming A1 is patient zero, the AC coming from right to left ( in pic ) doesnt help explain C 1 and C2