about the videoPeople with Covid-19 can infect others 2-3 days before symptoms appear. Contagiousness started 2-3 days before symptoms, and peaks at 0-7 days before first signs of cough or fever. 44% people get infected by people with no visible signs of illness. On average, it takes 7 days to develop symptoms after getting infected. Many infections cannot be linked to known Covid-19 cases or travel to hotspots, which indicates asymptomatic transmission.

Source: Hindustan Times April 16, 2020 15:01 UTC