A low response rate and privacy concerns are barriers to effective large-scale contact tracing in places like New York City As New York City enters its second phase of reopening amid the coronavirus ...

The state of Illinois plans to start a contact tracing program in the coming weeks as part of its efforts to curb the spread of the coronavirus, Gov. J.B. Pritzker said Friday. Contact tracing, the ...

The city’s coronavirus tracing program — a major component of the Big Apple’s ability to one day fully beat back the deadly disease — is struggling three weeks into its inception with tracers securing ...