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Experts call for more Covid tests to check spread of Omicron’s sub...
The experts say BA.2.75 has alarming mutations in the key spike protein
6 July 2022 8:45 PM GMT
Question mark hangs over Moderna-Pfizer booster
9 Feb 2022 6:25 PM GMT
Indonesia starts COVID boosters for elderly, others at risk
12 Jan 2022 5:24 AM GMT