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who acknowledges evidence emerging of airborne spread of covid 19
1326 | 01:33 | 2021-05-31

infectious diseases expert more data needed to determine airborne transmission of covid 19 anc
433 | 05:34 | 2021-05-31

cdc revises coronavirus guidance its airborne
705 | 01:44 | 2021-05-31

who indoor airborne spread of coronavirus possible
14 | 00:38 | 2021-05-31

who says it is studying the possibility of coronavirus being an airborne disease
4311 | 03:02 | 2021-05-31

connect the dots airborne qualities of covid 19
86 | 01:05 | 2021-05-31

is coronavirus covid 19 airborne is it safe to pass others on sidewalk
29519 | 02:20 | 2020-05-31

study covid 19 can stay airborne for hours cdc recommends increasing air flow
684 | 00:35 | 2020-05-31

who acknowledges evidence emerging of airborne spread of novel coronavirus
3462 | 03:14 | 2021-05-31

who indoor airborne spread of coronavirus possible
78 | 00:38 | 2021-05-31

part 1 is covid 19 airborne prof salim abdool karim has all the answers
2333 | 11:42 | 2021-05-31

how risky is aerosol transmission of covid 19
5155 | 02:38 | 2021-05-31

who admits covid 19 risk of airborne transmission
312 | 06:05 | 2021-05-31

is coronavirus airborne if yes what are the consequences
1081 | 23:14 | 2021-05-31

covid 19 transmission is predominantly airborne
5679 | 06:03 | 2021-05-31

covid 19 virus airborne say 239 global scientists
14005 | 03:38 | 2021-05-31

who is downplaying risks of coronavirus airborne transmission scientists
9 | 01:14 | 2021-05-31

covid 19 coronavirus airborne and droplet transmission on different surfaces
2208 | 08:22 | 2020-05-31

covid 19 is airborne transmission possible
10228 | 02:18 | 2020-05-31

airborne transmission can breathing and talking transmit covid 19
323 | 17:56 | 2021-05-31