This electron microscope image made available by the U.S. National Institutes of Health shows a human T cell, in blue, under attack by HIV, in yellow, the virus that causes AIDS. Seth Pincus, Elizabeth Fischer, Austin Athman/AP hide caption
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Want to stop needle phobia in adults? Make shots less painful for kids
Youths walk on quay Des Anneaux near the Warehouse nightclub, Wednesday, May 18, 2022 in Nantes, western France. Jeremias Gonzalez/AP hide caption
A nurse holds a vial of Moderna Covid-19 vaccine. Patrick Meinhardt/AFP via Getty Images hide caption