Just over half of U.S. adults (53%) say they’ve gotten neither the flu shot nor the updated COVID-19 vaccine since last ...

The CDC has issued interim effectiveness estimates for the 2024-2025 seasonal influenza and 2024-2025 COVID-19 vaccines.

Initial phase III trial results from November 2020 suggested that, after two doses, new mRNA vaccines developed by Moderna ...

The current COVID-19 vaccine is 33% effective at preventing emergency department or urgent care visits among adults of all ages. It also is 45% to 46% effective at preventing hospitalizations in ...

they were already planning the Phase 3 trials to evaluate whether the vaccines were effective and safe. [What you need to know about the Moderna and Pfizer coronavirus vaccines] Researchers in the ...

As the world marks the fifth anniversary of the start of the coronavirus pandemic, one question has persisted: How many lives ...

The landscape of COVID-19 prevention continues to evolve ... scientists and public health experts work to ensure that vaccines remain effective, helping to mitigate severe illness and reduce ...

Although the bivalent COVID-19 vaccine conferred moderate protection against symptomatic disease, hybrid immunity provided the strongest protection.

Under normal circumstances, the study of health problems after COVID vaccinations ... the COVID vaccines are dangerous, despite government assurances that they’re safe and effective.

“The effectiveness of the COVID vaccines can vary depending on which variants are targeted in the vaccine, which variants are circulating, and host factors,” said Shirin A. Mazumder, MD, and ...

The cause for his optimism was the fact that more than 182 million Americans had received at least one shot of the new COVID-19 vaccines, including nearly 90 percent of seniors and 70 percent of ...