Placebo testing has been part of the process since the 1940s. It’s unclear what additional measures would achieve — but it may slow development.

As for safety, experts interviewed for this story said they are extremely confident in the systems set up to monitor vaccine ...

A landmark study by scientists at the University of Oxford, has unveiled crucial insights into the way that COVID-19 vaccines mitigate severe illness in those who have been vaccinated.

A malaria vaccine developed by members of the University of Oxford team behind the AstraZeneca COVID-19 jab has ... answering concerns that the effectiveness of the vaccine may wane over time ...

While Slater mostly focused on issues like data privacy and online ... misdoings of Biden’s family members to scrutiny of Covid vaccine efficacy. Figures like Republican Sens.

For years, U.S. vaccine experts have issued a universal recommendation for Covid vaccines. That could change soon.

The most commonly reported adverse events with the AZD1222 COVID-19 vaccine are headache and fatigue, a large-scale active ...

Vaccines of the Future: Harnessing the Immune System for Long-Lasting Protection May 7, 2025 — Scientists have uncovered a promising new way to enhance the effectiveness of vaccines by tapping ...

Pfizer and Moderna have both reported data that they say backs up the need for booster shots of their COVID ... from waning effectiveness overall, rather than delta escaping vaccine protection ...

Brazilian health authorities Thursday launched a campaign explaining the proper use and handling of the Janssen COVID-19 vaccine and the number of booster doses recommended for this specific drug.