Some countries are already offering second booster shots to the elderly and other vulnerable groups. Photo: AFP
Some countries are already offering second booster shots to the elderly and other vulnerable groups. Photo: AFP

Scientists urge people to take second Covid vaccine booster if offered as Omicron continues to spread

  • The highly infectious BA.5 variant is fuelling a surge in cases around the world
  • Although vaccine makers are updating their products to counter Omicron’s subvariants, existing vaccines still cut the risk of death or serious illness

Some countries are already offering second booster shots to the elderly and other vulnerable groups. Photo: AFP
Some countries are already offering second booster shots to the elderly and other vulnerable groups. Photo: AFP
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