evidence: The US Food and Drug Administration gave the green light Monday to updated Covid-19 vaccines from Moderna and Pfizer/BioNTech amid rising cases and hospitalizations. [...] The updated vaccines are approved for people 12 and older and are authorized under emergency use for individuals 6 months through 11 years old. As part of the FDA’s update, the bivalent Moderna and Pfizer/BioNTech Covid-19 vaccines are no longer authorized for use in the United States. [...] The FDA has not authorized an updated Covid-19 vaccine from Novavax, but the company said an updated version of its protein-based vaccine is currently under review by the FDA for authorization in people 12 and older.