Enlarge / A negative stain electron micrograph of a monkeypox virus virion in human...
public health
Enlarge / Liver lesions in patient with chronic active hepatitis C. reader comments 6...
Enlarge / A 2003 photo of the arms and legs of a 4-year-old girl...
Enlarge / North Korea’s leader Kim Jong Un on June 30, 2019. reader comments...
Enlarge / People watch a television broadcast showing a file image of North Korean...
Enlarge / Boxes of Johnson & Johnson’s Janssen COVID-19 vaccine at a vaccination site...
Enlarge / A woman watches white flags on the National Mall on September 18,...
Enlarge / Dr. Peter Marks, Director of the Center for Biologics Evaluation and Research...
Enlarge / A medical worker arranges nucleic acid samples at a makeshift nucleic acid...
Enlarge / A COVID-19 testing tent stands in Times Square on April 27, 2022,...