Why the Pfizer-BioNTech vaccine is no cure for all coronavirus ills

The coronavirus vaccine developed by Pfizer and BioNTech has raised hopes for the end of the pandemic after the interim result of trials showed 90 per cent effectiveness, but questions remain about safety, distribution and its precise effect on the virus.Before the vaccine is approved for use by health authorities around the world, it will have to meet certain safety requirements that vary by jurisdiction.Is Southeast Asia ready to trust China’s coronavirus vaccines?In the United States, the…

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