Carla K. Johnson | Associated Press
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Melanoma, pancreatic cancer, breast cancer and lung cancer are among the targets for the experimental shots, which shrink tumors and stop cancer from coming back. -
U.S. officials say most Americans live in places where healthy people can safely take a break from wearing masks. -
Last year’s flu season was the lowest on record. That's likely because COVID-19 measures — such as schools closing and people wearing masks — prevented the spread of influenza.
