A Japanese medical worker administers a Covid-19 vaccine. Photo: AP A Japanese medical worker administers a Covid-19 vaccine. Photo: AP
A Japanese medical worker administers a Covid-19 vaccine. Photo: AP
Wen Shi Lee
Opinion

Opinion

Wen Shi Lee and Hyon Xhi Tan

Which Covid-19 vaccine is the best? That’s a complicated question

  • The effectiveness of Covid-19 vaccines can be compared in countries that have rolled out different vaccines to the same populations
  • However, waiting for the perfect vaccine is a futile ambition. Every vaccine delivered is a small but significant step towards global normality

A Japanese medical worker administers a Covid-19 vaccine. Photo: AP A Japanese medical worker administers a Covid-19 vaccine. Photo: AP
A Japanese medical worker administers a Covid-19 vaccine. Photo: AP
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