COVID vaccines cut the risk of transmitting Delta — but not for long

COVID vaccines cut the risk of transmitting Delta — but not for long

Nature, Published online: 05 October 2021; doi:10.1038/d41586-021-02689-y

People who receive two COVID-19 jabs and later contract the Delta variant are less likely to infect their close contacts than are unvaccinated people with Delta.
Source: Nature