Studies show that more than half of India’s residents of Mumbai have been infected with slums


Study released on Tuesday It raises questions on the level of testing in India, with the third most confirmed cases in the world after the United States and Brazil.

On Wednesday, India reported that it had crossed 1.5 million cases of coronavirus after registering more than half a million infections in just 12 days. It took India nearly six months to reach its first 1 million confirmed cases.

According to official figures, India’s economic capital Mumbai with a population of over 12 million has confirmed more than 110,000 cases, including at least 6,180 deaths. The city is in Maharashtra, the most affected state in India with over 377,000 confirmed cases and at least 14,000 deaths.

According to a news release, the study – a collaboration between local authorities and medical institutions – found that 57% of the samples taken from slum residents tested positive for coronovirus antibodies, while only 16% of those living outside slums Tested positive. .

Researchers used antibody tests – used to test whether a person previously had coronovirus – in the first half of July to analyze more than 6,900 random samples collected from participants living in Mumbai. .

Antibody tests, often called serologic tests, look for evidence of an immune response to infection. In theory, it should show that the person had a coronovirus in the past and had since been recovered, but the US Center for Disease Control and Prevention said in May that some people had antibodies in the first week of the onset of Kovid-19. Can be detected.

Coronavirus in slums

Researchers said the high prevalence of coronovirus in slum areas may be due to population density and general amenities, while the low prevalence outside slums may be due to improved socio-discrimination and hygiene practices.

India's richest city should have been most prepared for coronovirus.  So why does Mumbai have the highest infection rate in the country?

But the authors noted that a high proportion of cases were likely heterogeneous and stated that those infected had lower rates of death – perhaps as low as 0.05%.

The researchers said in their report, “This can be attributed to effective prevention efforts and proactive measures to isolate symptomatic cases by (Mumbai city government).”

Maharashtra President Uttam Shankar said that despite the lockout measures, a relatively high proportion of residents became infected despite being out of control, as people outside the slum depended on people living in slums. The Medical Council, which is advising the government on its Kovid-19 efforts.

Although the samples were drawn from only three wards, other parts of the city are likely to see similar results when testing is completed in those areas, Shankar said.

According to Johns Hopkins data, India has a relatively low Kovid-19 death rate compared to other hard-hit countries with only 2.47 deaths per 100,000, compared to 45.24 in the US and 68.95 in the United Kingdom. Experts point to India’s relatively young population as a possible description of low mortality, as the young are less susceptible to dying from coronovirus.

Since the potential effect of coronovirus in India’s slum areas has triggered an epidemic, doctors have warned that the outbreak will be unbearable in places where residents live in small homes without water, cheek-by-jewel, and Toilets share facilities. Many other families.

On July 20, 2020, during a medical check-up in a slum in Mumbai, India, a health worker checked the temperature of a resident.

Indian authorities took steps to limit the spread of coronaviruses in slum areas. For example, Shankar said that the authorities had taken measures like regularly cleaning bathroom facilities, and provided free food to slum dwellers so that they could reduce the number of people going out.

As of Monday, there were 627 slums in Mumbai which were active containment zones.

Efforts to control India

Despite the increasing number of confirmed cases, India is expected to ease further the coronovirus ban in the coming days, although details are yet to be announced.

Coronavirus studies show that nearly one in four people in India's capital have contracted the virus.

The Indian government has highlighted its successes, with Prime Minister Narendra Modia on Monday pointing to country-wide trials, higher recovery rates and lower numbers of deaths than other countries. According to government data, India has conducted more than 17 million coronovirus tests as of Wednesday.

The government has also pointed to a high rate of recovery – according to government data, nearly 1 million people have overcome coronavirus. In India, patients with mild and moderate symptoms are not considered active after 10 days of symptoms if they meet certain conditions. A test to confirm that they no longer have the virus. Serious cases can only be discharged after a negative coronovirus test.

However, Shankar of the Maharashtra Medical Council said that Tuesday’s study shows that the test did not clearly capture all cases. Although India has done a good job to increase testing capacity, it needs to be increased further, he said.

Last week, antibody tests on a random sample of people in the Indian capital New Delhi found that nearly one in four residents had been infected with a coronavirus.

Other cities around the world have conducted similar antibody studies in the past, with very few results.

In May, Sweden said that 7.3% of people in its capital Stockholm had developed antibodies by the end of April, based on 1,118 blood tests conducted in a week.

In New York, a study sponsored by the New York State Health Department found that 14% of the state’s adults had Kovid-19 by the end of March, 10% more than the official count.

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