(Riya Saha, Intern Journalist)Mumbai: A medical survey of nearly 7,000 people in Mumbai has found that one in six or about 16 percent of residents in the city had contracted the coronavirus. In slum areas, the number was a whopping 57 percent.
The serological surveillance study used random sampling in the first two weeks of this month. In sero studies, doctors test the blood of a section of the general population to check the presence of anti-bodies to any disease.
Antibodies develop only when the person had contracted the disease in the past. It not only indicates how far among the general population the disease has spread but whether the people are moving towards herd immunity.
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