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Singapore sees Omicron coronavirus wave outpacing Delta
Who will receive booster shots? Punjab govt issues guidelines
US recommends five-month gap for Pfizer COVID-19 booster dose
Drugmaker to launch generic COVID-19 Merck drug at about Rs70
WHO sees more evidence that Omicron causes milder symptoms
Memory B cells effects weakened but not defeated by Omicron
Autoantibody: Coronavirus leaves survivors with self-attacking antibodies