Chennai: Scientists, including those from the government of Tamilnadu and Andhra Pradesh have conducted one of the largest analysis of Covid-19 epidemiology to date.
They have found that both cases and deaths due to the disease have been more heavily concentrated in the 40-69 year age group in India than is seen in high-income countries, among other trends.
Published in the journal Science on Wednesday, the study assessed the disease transmission patterns in 5,75,071 individuals exposed to 84,965 confirmed cases of Covid-19 in the two States based on data collected by tens of thousands of contact tracers.
The researchers, including Ramanan Laxminarayan from the Center for Disease Dynamics, Economics, and Policy in New Delhi, said the findings offer a peek into the pandemic’s trajectory in a low- and middle-income country, where most Covid-19 cases have occurred.
Based on the data, the scientists said both cases and deaths in the two Indian states were concentrated in younger cohorts than expected from observations in higher-income countries.

