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  China's Sinovac effective against Gamma variant, Brazil study says

  by Penny

  Aug.5,2021

• Kenyan expert: Three worrying Covid-19 variants exist in Kenya

  by Penny

  May.31,2021

• WHO director-general: no variant has yet emerged as a substantial threat to existing vaccines

  by Penny

  May.25,2021

• Fujifilm launches covid variants detection kits

  by Penny

  May.17,2021