SAN ANTONIO A San Antonio VIA Metropolitan Transit bus operator is stressing the importance of wearing a mask while, at the same time, sharing his growing concern as the coronavirus pandemic continues. At the start of the pandemic, it was kind of scary, the bus operator, who asked not to be identified, said. As of Tuesday, 56 out of 1,200 bus operators have tested positive for the virus. Even now, my hand is shaking, and I am at home, the bus operator said. The bus operator said he follows the necessary health precautions as he makes his routes.