The new 30 µg booster shot is bivalent – with mRNA coding for spike protein from both the original wild-type SARS-CoV-2 virus as well as the BA.4/BA.5 subvariant – and should be approved for ...

The UK has become the first country in the world to authorise an updated COVID-19 booster ... BA.1 subvariant. While BA.1 has been displaced by subvariants BA.4 and BA.5, the new vaccine retains ...

Japan from mid-October plans to administer a new type of vaccine in booster shots designed to protect ... The bivalent vaccine is designed to defend against BA.1, an Omicron subvariant, and ...