(NEXSTAR) – The Food and Drug Administration approved new, updated vaccines against COVID-19 from both Pfizer and Moderna this week, and health officials are recommending everyone 6 months and older get a dose. The question is: when?
The vaccines have been reformulated to target newer strains of the virus that are circulating now, namely the KP.2 subvariant of omicron. That was the most prominent strain earlier this year, but there have been additional mutations since then.
Now...