Syncope and Bell’s palsy: Distinguishing correlation from causation for adverse events observed after COVID-19 vaccination
The FDA has approved emergency use authorizations (EUAs) for two COVID-19 vaccines, and the largest mass vaccination program in history has begun. Look for antivaxxers to attribute reactions to the vaccine that the vaccine very likely didn't cause. We'll examine the example stories of vasovagal syncope and Bell's palsy that were reported by the press last week.
Mouse models are often used as preclinical models of human disease, but the number of drugs that succeed in mice but go on to be approved as a drug for humans is only about one in ten. A new study comparing gene expression in the cells of human brains with those of mouse brains provides new insight into why.