It is too early to consider widespread use of a second COVID-19 vaccine booster dose, according to the European Centre for Disease Prevention and Control (ECDC) and EMA's COVID-19 task forc
Moderna has asked the FDA for emergency use authorisation for a fourth dose of its mRNA COVID-19 vaccine SpikeVax, following in the footsteps of Pfizer/BioNTech, which filed their Comirnaty
There is no evidence that vaccination with either the Pfizer/BioNTech or Moderna's mRNA-based COVID-19 vaccines led to the death of patients, says a study by researchers at the Centres for