As government and public health officials continue pushing booster shots in the United States and as Israel is already on its fourth jab for at-risk groups, the European Medicines Agency has a warning about how effective this strategy is amid new Covid-19 variants.
Omicron, for example, "will ultimately find just about everybody," Dr. Anthony Fauci said Tuesday—a point echoed by Marco Cavaleri, head of the Biological Health Threats and Vaccines Strategy division at the EMA.
