The practice, known as contact tracing, is a tried-and-true technique. It starts with a phone call from a public health worker: You’ve been in contact with someone who has COVID-19. How do you feel?

"It’s going to be the summer of outbreak hunting." Many states are rolling back restrictions and masking guidance now that just over half of American adults are vaccinated against COVID-19. But public ...

Contact tracing is the process of finding, assessing and managing the people who have been exposed to a disease, according to the World Health Organization (WHO). We do it to prevent more people from ...

HOUSTON, Texas (KTRK) -- A 13 Investigates review of the city of Houston's multi-million dollar contact tracing effort shows vast improvement in a program the health department is counting on to save ...