The Economist @TheEconomist
“There’s a lot we know now about immune response to this virus...studies that have looked at cohorts over a period of time, have shown some level of waning.” @doctorsoumya of @WHO talks to @natashaloder about booster shots on our "Babbage" podcast https://t.co/RZDgIUetxU https://t.co/H7o9vhaJlj — PolitiTweet.org