Mumbai: 57% slum and 16% non-slum residents exposed to COVID reveals BMC serosurvey study

On day Mumbai saw its lowest 1-day rise with 717 new cases, city's civic body- BMC released results of in its first sero surveillance test conducted in city to find spre of virus. After studying 6936 samples from three wards (R-rth, M-West, and F-rth), BMC found that 57% of residents in slums showed seroprevalence - i.e h been exposed or infected by Coronavirus.  While an ICMR-heed serosurvey of 500 samples has alrey been completed in Mumbai, BMC conducted this serosurvey in collaboration with Tata Institute of Fundamental Research (TIFR) for 12-14 days in first half of July.

Mumbai's recovery soars to 76% with 2467 new recoveries as city sees lowest 1-day rise

BMC releases first Serosurveillance results

serosurvey revealed that 16% of n-slum residents showed seroprevalence in se 3 wards.  BMC also found that prevalence among women was higher than men. With all se findings, BMC has estimated that infection fatality rate is likely to be as low as 0.05-0.10%, as compared to case fatality rate of 5-6%.

Moreover, BMC interpreted that high prevalence in slums could possibly be due to population density and shared common facilities. Meanwhile, lower prevalence in n-slum areas could be due to better social distancing and access to hygienic conditions. Hence, se findings have shown that social distancing and wearing masks are effective in slowing spre and should continue. 

Mumbai records lowest one-day COVID tally in over 3 months with 700 cases; 8776 tests done

Mumbai's COVID crisis

In past 24 hours, Mumbai reported 2467 new Coronavirus (COVID-19) recoveries taking its recovery rate to 76%. city also saw a dip in its new cases with only 717 on recorded Tuesday and 55 new deaths. Currently, Mumbai has 1,10,846 cases with 6184 fatalities and 84,411 cured cases and 20,251 active cases. BMC reported that 4,94,339 samples have been tested till date with 8776 samples tested in 24 hours (22.28% positivity rate).

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With Maharashtra extending its lockdown, BMC has increased its containment zones to 741, while over 6022 buildings and chawls have been sealed and are being self-mand by society. While slums were initially where most cases were found, BMC claims that most cases were w found in housing societies. Recent BMC report shows Borivali as most affected place with doubling rate at 38 days, while Dharavi is least affected ward with a doubling rate at 133 days. Overall, Mumbai's doubling rate at 69 days is higher than national aver of 21.8 days.

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