Science. The research, based on tracing more than 3 million contacts in Andhra Pradesh and Tamil Nadu through Aug. 1, is the first major study of transmission in a developing country.While most research on the pandemic has come from China, Europe and North America, cases are now burgeoning in India and other developing countries, according to researchers led by Ramanan Laxminarayan, director of the Center for Disease Dynamics, Economics & Policy who wrote the study.
Barriers to health care are greater in these nations, and the risk of getting severely ill and dying from Covid is higher, they said.“We’ve never had this degree of information to say, hey, some people are really transmitting the virus in a massive way," Laxminarayan said in an.