Pfizer's and Moderna's formulas have been the go-to on pharmacy shelves, but Novavax remains an important option.
Q I had a COVID-19 vaccine in June 2023, so I’m overdue for another. I’ve heard there’s going to be an updated vaccine coming ...
XEC is also an offshoot of omicron, the widely spread variant that formed in 2021. According to experts, it has some of omicron’s features, too — like less severe symptoms and easy transmissibility.