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Experts: Second Wave Is Still Not Over

The Delta plus variant has been formed due to a mutation in the Delta or B.1.617.2 variant, first identified in India and considered one of the drivers of the second wave in the country and also in several others including the UK.

Continued surveillance can help tweak vaccines for COVID-19 variants

Continued surveillance can help tweak vaccines for COVID-19 variants
downtoearth.org.in - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from downtoearth.org.in Daily Mail and Mail on Sunday newspapers.

Key Covid-19 indicators had began surging in February, and yet governments in India failed to act

The Covid-19 test positivity ratio helps experts in estimating the undercounting of infections. | Xavier Galiana/ AFP Despite a growing rate of increase in Covid-19 cases and a higher proportion of samples testing positive, on average, since mid-February, the central and state governments did not act to impose more restrictions, upgrade health facilities and control the rise in Covid-19 cases, our analysis shows. On May 1, 2020, the Ministry of Home Affairs said that India would track Covid-19 hotspots on the basis of active cases in a district, the time it takes for confirmed cases to double, and testing and surveillance feedback. Starting from February 1, restrictions on public gatherings were relaxed, according to an order by the

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