Tag
Vaccines
Page 1 of 2
Flu vaccination tracked 20% less new atrial fibrillation across 276,888 matched adults
Flu is known to trigger heart events, but whether the shot affects heart rhythm was untested. A European Heart Journal team matched 276,888 adults on 65 characteristics and found the vaccinated developed less irregular heartbeat.
Sep 1, 2026
Shingles that reached the eye tracked 37% more dementia than shingles elsewhere
Shingles has been tied to dementia, but not every case is the same. Across 71 US health systems, cases reaching the eye carried more dementia within three years, and prior vaccination tracked less of it in both groups.
Sep 1, 2026
The high-dose flu shot cut flu hospital admissions by 31% in French care homes, average age 88
Older immune systems respond weakly to vaccines, so one product carries four times the antigen. A nationwide French analysis matched 76,858 pairs of care home residents and found the stronger shot kept fewer of them out of hospital.
Aug 30, 2026
People given the newer shingles vaccine had 9% less heart disease over the next seven years
A Nature Medicine team used America's abrupt switch from the live to the recombinant shingles vaccine as a natural experiment in adults over 60. Heart disease, heart failure and atrial fibrillation were all lower seven years on.
Aug 30, 2026