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DAILY NEWS ANALYSIS

  • 30 January, 2021

  • 3 Min Read

Novavax

Novavax

  • American company Novavax, whose COVID-19 vaccine is set to be made in large numbers by the Pune-based Serum Institute of India (SII), has reported that its vaccine has proved to have 89% efficacy in preventing the infection in some trial volunteers in the United Kingdom.
  • However, the efficacy dropped to 60% when it was tested in volunteers in South Africa, a likely consequence of a mutant coronavirus variant that is now deep-rooted there.
  • Since December, scientists have raised concerns over mutated variants, particularly those isolated in the U.K., South Africa and Brazil that harbour changes, allowing the virus to cheat the immune system.
  • These variants are being linked to renewed waves of the virus, but haven’t been shown to be more lethal. Researchers associated with the trial said 60% efficacy was good news as nearly 90% of those who participated were affected by the South African variant.

Source: TH


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