Prognosis

Variants May Be Driving India’s Covid Surge, But It Can’t Know Without Tests

  • The country has sequenced less than 1% of its samples
  • Daily new infections crossed the 100,000 mark Sunday

A Covid-19 test site set-up outside the Star Mall in Mumbai.

Photographer: Dhiraj Singh/Bloomberg
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India’s failure to quickly examine Covid-19 samples for new variants risks hurting its battle against a record surge of infections, with scientists warning the delays could damage everything from vaccine efficacy to effective hospital treatments.