The US is now pressing ahead with plans to extend its COVID-19 vaccination campaign to younger children aged five and over, prompting a debate about the policy in other countries.<
A US study has found that the immunity afforded by COVID-19 vaccines is much stronger than that stimulated by infection with SARS-CoV-2 in unvaccinated individuals.
The US looks set to see a big expansion of the country's COVID-19 vaccination drive, with shots looking likely for children aged five to 11 as well as a fourth dose for adults who are immun
The Centers for Disease Control and Prevention (CDC) in the US has backed booster doses of Pfizer and BioNTech's COVID-19 vaccine Comirnaty in line with its recent FDA approval, overruling