Millions likely infected with virus in Delhi, study finds
Extrapolated, the antibody study on 15,000 residents means 5.8 million people in the bustling capital could have caught the virus
More than a quarter of New Delhi's 20 million residents may have caught the novel coronavirus without showing symptoms, a study released on Thursday indicated, raising fresh doubts about India's official case numbers.
Extrapolated, the antibody study on 15,000 residents means 5.8 million people in the bustling capital could have caught the virus - more than 37 times the official tally of 156,139 infections.
India is already officially the third worst-hit country after the US and Brazil, and the health ministry reported a record daily jump of 69,652 new infections on Wednesday - taking the total to 2.84 million.
On Thursday, Delhi health minister Satyendra Jain said blood tests on 15,000 residents conducted earlier this month found 29.1 per cent of them had virus antibodies.
Scientists say, however, that antibody tests should be treated with caution because they also pick up other coronaviruses, not just the latest Covid-19.
A similar survey in June-July said 23 per cent of people tested had been exposed to the virus in the city.
Surveys in other Indian cities have also suggested more infections than the official numbers suggest.
In the western city of Pune, 51.5 per cent of respondents in five badly affected pockets had antibodies in their blood, a recent survey showed.
Another in late July found 57 per cent of those tested in Mumbai's slums had the infection - far more than official data suggests.
"Such studies are useful and necessary but it is important how it is interpreted," said Rajib Dasgupta, who heads the Centre of Social Medicine and Community Health at Delhi's Jawaharlal Nehru University.
"It can't be applied to the whole city," he said, noting that the Pune study was done in a very densely populated area of the city.
Another survey released this week, testing sewage water in Hyderabad, estimated that some 6.6 percent of the city of over nine million may have been infected - also far higher than the official data suggests.
Economists have been critical of the government's handling of the... READ MORE
Around 20 more miners were still believed to be trapped under the... READ MORE
On Thursday, the police recorded the arrest of Swapna, in connection... READ MORE
The majority of the Russian capital's residents would be vaccinated... READ MORE
The UAE had in March decided to temporarily suspend issuing visas to... READ MORE
The death toll in the country due to the infection has reached 91,149. READ MORE
Not all cardholders, however, will qualify or receive favourable terms READ MORE
Kings XI Punjab take on Royal Challengers Bangalore. READ MORE