The case for a booster shot is building, even if privileged few get it

The reason is delta. The most-infectious coronavirus variant to emerge so far is in a race with the human immune system, and there's mounting evidence that delta is winning

The reason is delta. The most-infectious coronavirus variant to emerge so far is in a race with the human immune system, and there's mounting evidence that delta is winning https://ift.tt/384dLr6 August 22, 2021 at 02:51AM