Are we really in need of COVID-19 booster shots?
Vaccine makers Moderna Inc and Pfizer Inc, with its German partner BioNTech, have been vocal in their view that the world will soon need COVID-19 booster shots to maintain high levels of immunity.
Vaccine makers Moderna Inc and Pfizer Inc, with its German partner BioNTech, have been vocal in their view that the world will soon need COVID-19 booster shots to maintain high levels of immunity.