Professor Mohanan said that while people often think that large samples are needed for an unbiased estimate, it is not true. COVID-19 sero survey: Soon after the coronavirus pandemic struck India in March, various sero surveys started being conducted to determine the proportion of population that has been exposed to the virus. But what exactly … Read more
The positivity rate over the past week has hovered between six and seven per cent. The third serological survey conducted in the national capital has found that about a third of Delhi population has been exposed to Coronavirus. According to a report by The Indian Express, a total of 33 per cent of the participants … Read more
Samples for the survey were collected from different wards keeping in mind the proportion of the population and varied age groups. In a troubling development, the sero survey conducted in Ahmedabad has found that 40 per cent of recovered Covid-19 patients have no presence of antibodies against the coronavirus. With 40 per cent of the … Read more