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Mehdi Taamallah/NurPhoto via Getty Images(NEW YORK) -- Former world No. 1 tennis player Chris Evert revealed she is battling Stage 1 ovarian cancer. Evert shared the news in a Tweet on Friday. "I want...
Angeline Jane Bernabe, ABC News Jan 17, 2022
DigitalVision/GettyImages(ATLANTA) -- Any mask is better than no mask. But loosely woven cloth masks provide the least amount of protection and Americans in some cases might want to opt for higher qua...
Anne Flaherty, ABC News Jan 14, 2022
Ben Hasty/MediaNews Group/Reading Eagle via Getty Images(NEW YORK) -- High school athletics are feeling the impact of the omicron surge, from paused games to restricted fans, amid a winter season that...
Meredith Deliso, ABC News Jan 13, 2022
Peter Dazeley/Getty Images(NEW YORK) -- The U.S. is facing a national blood crisis, the "worst blood shortage in over a decade," the American Red Cross warns. Despite this urgent need for donations, p...
Kiara Alfonseca, ABC News Jan 13, 2022
fotograzia/Getty Images(NEW YORK) -- As evidence mounts that the omicron variant is less deadly than prior COVID-19 strains, one oft-cited explanation is that viruses always evolve to become less viru...
Dr. Jess Dawson, ABC News Jan 13, 2022
Catherine Delahaye/Getty Images(NEW YORK) -- Kids who have recovered from COVID-19 may have an increased risk of developing diabetes, according to a new study from the Centers for Disease Control and ...
Katie Kindelan, ABC News Jan 12, 2022
Alicia Llop/Getty Images(ATLANTA) -- After weeks of health experts urging Americans to upgrade their masks to protect against the omicron COVID-19 variant, the Centers for Disease Control and Preventi...
Anne Flaherty, ABC News Jan 12, 2022
BSIP/Universal Images Group via Getty Images(NEW YORK) -- Nearly 2 million new cases of cancer are expected to be diagnosed and some 609,000 people will likely die from cancer in the U.S. in 2022, acc...
Mary Kekatos, ABC News Jan 12, 2022
VALERIE MACON/AFP via Getty Images(NEW YORK) -- Throughout the pandemic, periodic surges in demand for COVID-19 testing -- typically during a spike in cases or prior to holiday travel -- have put stra...
Mary Kekatos, ABC News Jan 12, 2022
Drew Angerer/Getty Images(NEW YORK) -- When the omicron variant first began sweeping the country, there was some hope that because initial studies indicated it was less severe, it would prove to have ...
Arielle Mitropoulos, ABC News Jan 12, 2022