For health and support measures currently in place in response to the COVID-19 pandemic in your language, visit sbs.com.au/coronavirus.
WHO again warns against vaccine hoarding as countries look to boosters to tackle Omicron
Vaccine vials in Rio de Janeiro, Brazil Source: Getty
Health authorities are recommending booster shots to try to fight off the new Omicron variant, which threatens supplies to poorer countries where inoculation rates are still low.
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