46 million adults reveals COVID-19 vaccinations significantly reduced the risk of heart attacks and strokes
A study of 46 million adults reveals COVID-19 vaccinations significantly reduced the risk of heart attacks and strokes.
A massive study of nearly 46 million adults in England has delivered a definitive blow to online misinformation, revealing that heart attack and stroke risks actually decreased following COVID-19 vaccination. By tracking health data from December 2020 to January 2022, researchers observed a 10% reduction in major arterial issues after just the first dose. These protective benefits intensified with subsequent shots; risk reductions surged to 20% for Pfizer/BioNTech and 27% for AstraZeneca recipients after boosters, showcasing a significant win for cardiovascular health.
Although rare side effects such as myocarditis were tracked, they remained exceptionally uncommon and were vastly outweighed by the dangers of the virus itself. In contrast, contracting COVID-19 is known to significantly spike the risk of serious heart problems and blood clots. Dr. Samantha Ip and her team emphasize that these findings offer powerful support for the safety of vaccination programs, confirming that the vaccines do more than just prevent respiratory illness—they actively safeguard the circulatory system.
source: Ip, S., et al. COVID-19 vaccination and cardiovascular events: a nationwide cohort study of 45.7 million adults in England. Nature Communications.
