The assumption that everybody is susceptible to coronavirus may not be true as 80 to 90 per cent people living in the same household where a member is diagnosed with Covid-19 do not get the disease, as per a study by the Indian Institute of Public Health Gandhinagar.
This indicates the other family members may have developed some form of resistance or immunity to the disease, the institute's director Dileep Mavalankar told PTI on Sunday.
"The assumption that everybody is susceptible to coronavirus may not be true. It is said that a few minutes of exposure to the coronavirus outside