Mystery Over Covid-Hit Nation’s Sudden Drop in Infections

Crowds have returned to parts of India as coronavirus cases continue to drop. Source: Getty Images

When the coronavirus pandemic took hold in India, there were fears it would sink the fragile health system of the world’s second-most populous country.

Infections climbed dramatically for months and at one point India looked like it might overtake the United States as the country with the highest case toll.

But infections began to plummet in September, and now the country is reporting about 11,000 new cases a day, compared to a peak of nearly 100,000, leaving experts perplexed.

They have suggested many possible explanations for the sudden drop — seen in almost every region — including that some areas of the country may have reached herd immunity or Indians may have some pre-existing protection from the virus.

The Indian government has also partly attributed the dip in cases to mask-wearing, which is mandatory in public in India and violations draw hefty fines in some cities.

But experts have noted the situation is more complicated since the decline is uniform even though mask compliance is flagging in some areas.

It’s more than just an intriguing puzzle; determining what’s behind the drop in infections could help authorities control the virus in the country, which has reported nearly 11 million cases and more than 155,000 deaths.

Some 2.4 million people have died worldwide.

“If we don’t know the reason, you could unknowingly be doing things that could lead to a flare-up,” Dr Shahid Jameel, who studies viruses at India’s Ashoka University, said.

India, like other countries, misses many infections and there are questions about how it’s counting virus deaths. 

But the strain on the country’s hospitals has also declined in recent weeks, a further indication the virus’s spread is slowing.

When recorded cases crossed nine million in November, official figures showed nearly 90 per cent of all critical care beds with ventilators in New Delhi were full. On Thursday, 16 per cent of these beds were occupied.

(Source; Yahoo news 17 February 2021)

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