Brussels: On Jan 21, European Union health ministers were told to be ready to deploy the fourth dose of COVID-19 vaccines as soon as needed. The EU drugs regulator explained this week that it would be reasonable to give the fourth dose to people with severely weakened immune systems, but more evidence was needed. “If we see data which is conclusive on whether a fourth dose is needed, we need to be ready to act,” EU Health Commissioner Stella Kyriakides notified EU ministers.
