Pfizer booster causes similar side effects to second dose, study says
Around 88 percent of participants who received a third dose of Pfizer in Israel reported feeling “similar or better” than how they felt after the second shot, according to a study conducted by Clalit, the country’s largest health provider.
https://nypost.com/2021/08/10/pfizer-booster-causes-similar-side-effects-to-second-dose-study/
