Jan 27: Moderna Inc (MRNA.O) said on Wednesday it had started a mid-stage study, testing a booster dose of its COVID-19 vaccine specifically designed to target the Omicron coronavirus variant, a day after rival Pfizer Inc (PFE.N) launched a similar trial.

JERUSALEM, July 30: Israel’s prime minister on Thursday announced that the country would offer a coronavirus booster to people over 60 who have already been vaccinated.