Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, testifies during a Senate Health, Education, Labor and Pensions Committee...
Emergency Medical Technician Lenny Fernandez, Medical Assistant Rodnay Moore and Physician Assistant-Certified Calvin Davis, left to right, prepare doses of the Pfizer COVID...
AstraZeneca insists that its COVID-19 vaccine is strongly effective even after counting additional illnesses in its disputed U.S. study, the latest in an extraordinary...