Vaccination

Nasal spray could mean needle-free COVID-19 vaccine

As the world eagerly awaits the debut of a COVID-19 vaccine, many of us imagine that receiving the immunization will be similar to getting the flu shot: We'll head to the clinic, roll up our sleeve and feel a quick prick ...

Diseases, Conditions, Syndromes

Flu has arrived for the holidays, CDC head says

(HealthDay)—The flu has ramped up in time for Christmas, the head of the U.S. Centers for Disease Control and Prevention said Friday.

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