Pediatric influenza vaccination effectively prevents hospitalizations, though repeat annual doses may lead to a decrease in vaccine effectiveness.

Scientists have found that people who trained their brain to have positive thoughts right after a jab produced more protective antibodies in their blood in response to vaccination. Previous animal ...

NEW YORK -- As the U.S. flu season winds down, health officials say the flu vaccine wasn't very effective, with one of its worst effectiveness rates in more than a decade. A new strain that dominated ...

Flu activity in Wisconsin is currently very high, yet vaccination rates have dropped by 10% since last year. Medical experts state the flu vaccine is safe, effective, and has been administered since ...

In the 2025-2026 influenza season, vaccination lowered the risk for outpatient and hospital visits, but was less protective than in the past.

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Among older adults who received at least one dose of the recombinant shingles vaccine, vaccine effectiveness against any herpes zoster-related outcome was 56.1%. Getting a second dose yielded a ...