"The scientists found that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was detectable in aerosols for up to three hours..." https://www.scienc

"The scientists found that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was detectable in aerosols for up to three hours..." https://www.sciencedaily.com/releases/2020/03/200317150116.htm https://www.sciencedaily.com/releases/2020/03/200317150116.h... That indicates airborne transmission is a vector.