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Considering the Nasal Spray Flu Vaccine? Some people shouldn't get it, experts say.
Measles Vaccinations Declining Throughout U.S.
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Wildfire Smoke Threatens Heart, Lung Health For Months Afterward
RFK Jr. Ends COVID Vaccine Urging for Healthy Kids, Pregnant Women
U.S. Had 1.5 Million Excess Deaths Following Pandemic
New Models Help Docs Distinguish Severe Pneumonia In Children
