By Arthur Allen | KHN
When Pfizer CEO Albert Bourla said March 13 that all Americans would need a second booster shot, it struck many COVID experts as a self-serving remark without scientific merit.
By Arthur Allen | KHN
When Pfizer CEO Albert Bourla said March 13 that all Americans would need a second booster shot, it struck many COVID experts as a self-serving remark without scientific merit.