-IndiaSpend.com Chennai: About 10 months, nine million cases and over 130,000 deaths later, India does not yet know enough about why the SARS-CoV-2 virus that causes COVID-19 affected whom it did, and how it did that. There is wide variation in the spread of COVID-19 between states. Areas with higher population density are expected to have more cases, but varying Testing rates could be affecting case detection. While the elderly and those...
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Mumbai, Delhi differ on Covid-19 Testing strategy: Officials
-PTI/ Livemint.com Delhi has adopted random Testing methods, Mumbai is focusing on those showing symptoms or ones who are suspected to have come in contact with Covid-19 patients Mumbai: Despite Mumbai and Delhi having almost the same positivity rate, civic officials here on Monday said the city does not require to increase its daily number of COVID-19 tests like in the national capital, which is witnessing a fresh wave of the infection. Testing...
More »Serosurveys underestimate building of herd immunity -MS Seshadri & T Jacob John
-The Hindu Antibody prevalence data derived from serosurveys must be interpreted with caution and correction factors The theory behind population-based serological surveys (seroprevalence surveys or serosurveys) to detect the prevalence of antibodies against COVID-19 is robust. Their purpose is to measure the proportion of a population already infected, as evidenced by antibody positivity. When applied on a national scale, a random sample of the entire population is tested. Then, the data are...
More »Tamil Nadu carries out 1 crore RT-PCR tests for COVID-19
-The Hindu Chennai: It is the only State which goes entirely by RT-PCR Testing, says Health Secretary Nearly nine months after it started Testing samples for COVID-19, Tamil Nadu on Sunday hit the milestone of one crore tests using RT-PCR kits. “Tamil Nadu is the only State which goes entirely by RT-PCR Testing. With laboratories in all districts, the State’s capacity is over one lakh tests per day,” Health Secretary J. Radhakrishnan said. With...
More »These Odisha migrant workers in Tamil Nadu are glad to have missed the train -Satyasundar Barik
-The Hindu As infections surge in Odisha, many guest workers are relieved to have stayed on Like several other migrant workers from Odisha, Sumant Naik made innumerable calls throughout May to enquire about a train back home from Perundurai in Erode; he also weighed the costs of returning by bus. Despite several calls, the journey back did not materialise. Now two months later, as the pandemic induced lockdown has eased in Tamil Nadu,...
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