Keep in mind, Pfizer is pushing hard to get the government to buy third doses from them. Also keep in mind, this study of theirs hasn't been reviewed, and Pfiz

Keep in mind, Pfizer is pushing hard to get the government to buy third doses from them. Also keep in mind, this study of theirs hasn't been reviewed, and Pfizer is, in general, shady as fuck. Also, very important to remember, vaccines aren't intended to prevent infection, and they most don't. Vaccines are meant to prevent serious disease. So far, the sars-cov2 vaccines look good in that respect, but only time will tell.