Omicron Boosters Are Coming, But They Weren ’t Tested on People. Here’s What You Need to Know

With nearly all the new COVID-19 infections in the U.S. coming from the Omicron BA.4 and BA.5 subvariants, it makes sense that health officials are considering switching to a different vaccine to protect the public. White House COVID-19 response coordinator Dr. Ashish Jha expects the first Omicron-specific booster to be available in mid-September at the earliest, if the U.S. Food and Drug Administration (FDA) and Centers for Disease Control and Prevention (CDC) authorize and recommend the shot. In late August, both Pfizer-BioNTech and Moderna submitted requests to the FDA for authorization of their Omicron-specific boosters. But with the fall and winter fast approaching—the seasons when respiratory viruses like SARS-CoV-2 spread even more efficiently, as students return to school and people huddle indoors—getting the booster ready requires a more efficient review and regulatory process. And that includes considering safety and efficacy data from animals, not people. [time-brightcove not-tgx=”true”] Back in June, the FDA’s panel of independent vaccine experts met to consider switching the country to a new booster that targets Omicron, given how quickly that variant is dominating new infections. At the time, the two largest COVID-19 vaccine makers, Pfizer-BioNTech and Moderna—which both make mRNA-based vaccines—had developed shots against an earlier Omicron variant, BA.1. The panel decided that if health authorities were going to change...
Source: TIME: Health - Category: Consumer Health News Authors: Tags: Uncategorized COVID-19 healthscienceclimate Source Type: news