The COVID-19 pandemic's early death toll was much higher than the official U.S. count, according to a new study that spotlights dramatic disparities in the uncounted deaths. About 840,000 COVID-19 ...

A major real-world study challenges persistent safety concerns, showing no increased risk of sudden cardiac death after COVID-19 vaccination while highlighting how misleading associations can arise in ...

COVID-19 vaccines were associated with a lower risk of major adverse cardiovascular events in a cohort study of veterans. The 2024-2025 vaccines also demonstrated effectiveness against ...

“Bring out your dead” may be Monty Python’s medieval call, but counting them is still modern and often messy. Death certificates are less purely objective records than narratives assembled under ...

Adults in England aged 50 years or older who received the bivalent BA.1 mRNA booster vaccine during the 2022 autumn campaign had substantially lower risks for COVID-related hospitalisation and death ...