The CDC blocked the release of a study about COVID-19 vaccine effectiveness. Here's what it contains.

Covid vaccination was also tied to a nearly 24% reduction in all-cause cardiac events in a large study, surprising ...

The 2025-2026 COVID-19 vaccines were associated with 50% estimated effectiveness against COVID-19-associated emergency ...

With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, according to a study published in Nature. Using population-wide data from ...

Covid vaccine heart protection extends beyond respiratory illness: a million-veteran study published today in JAMA Internal Medicine found vaccination reduced all-cause cardiac events by nearly 24%, ...

A COVID-19 vaccine study blocked by the CDC's acting director was published in a scientific journal. The study affirmed that ...

New data released Thursday by the Centers for Disease Control and Prevention suggest that the most recent Covid-19 booster offers about 54% percent protection against infection with the virus. A study ...

Adults who aren’t current on their COVID-19 vaccine booster doses may have "relatively little remaining protection" against hospitalization compared to those who haven’t been vaccinated at all, ...

As we age, the immune system gradually declines and becomes less effective at responding to infections and vaccines.

The vaccine modestly reduced cardiovascular conditions, hospitalizations and deaths of all causes, including those not linked ...

Getting a COVID vaccine or booster while pregnant can benefit both the mother and the baby, according to a new study published in the journal Vaccine. Researchers from the Infectious Diseases Clinical ...

Starting this weekend, Californians may face additional costs for COVID-19 vaccines, treatments and testing outside their health plan network — a potential unwelcome surprise for those who’ve put off ...