This electron microscope image provided by the National Institutes of Health shows human respiratory syncytial virus (RSV) virions, colorized blue, and anti-RSV F protein/gold antibodies, colorized yellow, shedding from the surface of human lung cells. Advisers to the Food and Drug Administration on Thursday, May 18, 2023 debated a first-of-its-kind RSV vaccine to protect newborns by immunizing their moms late in pregnancy. (National Institute of Allergy and Infectious Diseases, NIH via AP)
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