Elon Musk casts doubt on whether a 2nd COVID booster helps or hurts. Here’s what studies show.
Twitter owner and CEO Elon Musk waded into a discussion about COVID-19 boosters in a tweet on Wednesday, with the billionaire claiming that it “isn’t clear whether, all things considered, a second booster helps or hurts.” Despite a surge in COVID-19 cases nationwide and waning immunity...