People who received the Moderna COVID-19 vaccine had “slightly higher” antibody levels than those who received the Pfizer, now formally called Comirnaty, shot, according to a new small study. While both vaccines insert molecules called mRNA that teach our bodies how to produce coronavirus antibodies, the Moderna shot uses more than three times the amount of mRNA than the Pfizer vaccine. This, the University of Virginia School of Medicine researchers say, could explain their findings. So, does that mean the Moderna vaccine offers better protection against COVID-19? The study was published Sept. 2 in the journal JAMA. “The thing that...