A detailed study shows the maximum risks of being infected by the coronavirus for different scenarios with and without masks
Three metres are not enough to ensure protection. Even at that distance, it takes less than five minutes for an unvaccinated person standing in the breath of a person with Covid-19 to become infected with almost 100 percent certainty. That's the bad news. The good news is that if both are wearing well-fitting medical or, even better, FFP2 masks, the risk drops dramatically. In a comprehensive study, a team from the Max Planck Institute for…