Prognosis

Better Covid Vaccines Are Coming, WHO’s Chief Scientist Says

  • As many as eight new vaccines might be ready by end of 2021
  • Next crop of vaccines will use alternative delivery systems
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New Covid-19 vaccines, including ones that don’t require needles and can be stored at room temperature, may be ready for use later this year or next year, the World Health Organization’s top scientist said.

Six-to-eight new immunizations may complete clinical studies and undergo regulatory review by the end of the year, Soumya Swaminathan, the Geneva-based agency’s chief scientist, said in an interview Saturday.