The effective phase of infection only starts when the first symptoms occur. The virus is not airborne, it relies on liquid droplets to be inhaled by the next vi

The effective phase of infection only starts when the first symptoms occur. The virus is not airborne, it relies on liquid droplets to be inhaled by the next victim, thus even infected, as long as the individual does not exhibit sings of sneezing or coughing, the posed risk of infecting others is quite low.