A massive contact-tracing study of nearly 700,000 people in India found that children are spreading the coronavirus amongst themselves and also to adults. "[Many] kids are silent spreaders," says one the study's lead authors.

A massive contact-tracing study in India found: 1) Kids are spreading the virus amongst themselves and also to adults 2) The risk of transmission for passengers sitting next to an infected person on a bus or train for over 6 hours without a mask was 80%