Home NYT The C.D.C. updates its definition of ‘close contact’ in relation to infection risk. The C.D.C. updates its definition of ‘close contact’ in relation to infection risk. Author - urdu vision October 21, 2020 0 By BY GINA KOLATA from NYT World https://ift.tt/3jkCx9e via IFTTT Tags IFTTTNYT Facebook Twitter Whatsapp Newer Older
