The booster interval for recipients of Pfizer and AstraZeneca Covid-19 vaccines will be shortened to three months compared to six months before.<br /><br />The Health Ministry said the move would make more people eligible for a booster shot ahead of the looming possibility of an Omicron wave.<br /><br />Health Minister Khairy Jamaluddin said the government is ramping up the rollout of the booster shots, which will entail the reinstruction of mega vaccine administration centres.