The first Americans to be vaccinated against the coronavirus could require a third "booster" shot as early as September, the CEOs of Pfizer and Moderna told Axios.
Criticisms abound for the U.S. Centers for Disease Control and Prevention (CDC) after it changed its mask guidance Thursday to allow vaccinated individuals to go maskless in most settings.
State and federal lawmakers, with the support of unions, are looking to survivor registries created after 9/11 as a model for helping potentially millions of people with often-debilitating long-term symptoms of Covid-19.
