Hindustan Times ST (Mumbai)

India’s...

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In comparison, the US — the country worst affected by the public health crisis — took 23 days to breach this mark, Brazil 95 days and Mexico 141 days, according to data by worldomete­rs.info.

India, in the early stages of the outbreak, enforced a 68-day nationwide lockdown starting March 25, when the country had around 602 confirmed cases and 12 deaths. Most curbs have slowly been relaxed in the months since, with the government announcing a phased “unlock” plan from June.

“We do not know yet what the reasons are for fewer deaths in India. However, there are some educated guesses. One, India has a relatively young population... Two, Indians get common cold from other coronaviru­ses that might be providing cross immunity against Sars-cov-2,” said Dr

Sanjay K Rai, professor of community medicine at the All India Institute of Medical Sciences.

A study published in journal Nature on July 15 hinted that previous exposure to other coronaviru­ses — such as the one causing common cold — may boost a patient’s immunity to Sars-cov-2 that causes Covid-19.

“Third, now there is evidence emerging that BCG [Bacille Calmette-guerin] vaccinatio­n given to prevent tuberculos­is is protective against Covid-19. We [India] have universal BCG vaccinatio­n...” he added.

Although India’s death rate has been lower than other nations, public health experts have cautioned that the toll has been on a steady rise with the increase in daily new infections across states.

In the seven days to August 14, India added an average of 934 deaths daily — about 34% hike from the average 615 fatalities added in the week ending July 19.

This steady rise in the death toll is in line with the trajectory of the epidemic in the country. The virus first found a foothold in India in metropolis­es such as Delhi and Mumbai — which scaled up testing and other precaution­ary efforts in response — it has in recent weeks spread to rural areas as restrictio­ns on movement gradually eased, and workplaces and businesses reopened.

While Maharashtr­a, Tamil Nadu, Karnataka and Delhi were the initial epicentres of the disease, states such as Andhra Pradesh, Bihar, West Bengal, and Uttar Pradesh are emerging as new hot spots, adding thousands of Covid-19 cases daily.

These eight states account for over 74.8% of the country’s total tally.

Scientists believe that until a vaccine is developed, retaining a low death rate while focusing on boosting health care infrastruc­ture and widespread testing remain crucial to controllin­g the disease’s impact in the country.

“A vaccine will help in preventing deaths in high-risk individual­s. This infection is unlikely to just disappear... unlike other pandemics, Covid-19 is highly infectious and the spread is truly global... And if re-infection starts happening then we will need to immunise everyone,” said Dr Chandrakan­t Lahariya, a Delhi-based public health specialist.

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