Moderna vaccine against the omicron variant receives its initial approval
Moderna’s combination “bivalent” vaccine to be in use as an adult booster shot. Each dose will target both the original Covid-19 virus and the omicron BA.1 variant. Side effects are similar to those seen for Moderna’s original booster shot and are typically “mild and self-resolving”. An revised coronavirus vaccine from Moderna that attempts to defend against both the original virus; and
