This article really annoyed me, because it was focused entirely on individual effectiveness. In fact a 50% effectiveness in preventing infection is pretty amazing - it's enough to cut Rt in half.
This article really annoyed me, because it was focused entirely on individual effectiveness. In fact a 50% effectiveness in preventing infection is pretty amazing - it's enough to cut Rt in half.
This article really annoyed me, because it was focused entirely on individual effectiveness. In fact a 50% effectiveness in preventing infection is pretty amazing - it's enough to cut Rt in half.