China is among the countries considering a third dose. Photo: STR/AFP
China is among the countries considering a third dose. Photo: STR/AFP

Spread of Covid-19 variants heightens debate over extra vaccines

  • Countries such as Indonesia are offering health workers who have been vaccinated with Sinovac an extra shot from Moderna
  • Meanwhile, the WHO has rebuked richer nations for planning boosters while other countries face shortages

China is among the countries considering a third dose. Photo: STR/AFP
China is among the countries considering a third dose. Photo: STR/AFP
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