U.S. health officials have stopped the publication of a study on the COVID-19 vaccine's effectiveness in preventing ...

The acting head of the Centers for Disease Control and Prevention (CDC) blocked the publication of a study on the effectiveness of COVID-19 vaccines, a Department of Health and Human Services (HHS) ...

The CDC has issued updated recommendations for the 2025–2026 COVID-19 vaccination season, covering mRNA and protein subunit vaccines for people aged 6 months and older. The new formulations target ...

Internal correspondence cited by the subcommittee shows one FDA official acknowledging that “an absence of a ...

Covid-19 vaccines roughly halved the chances that a US adult would need to visit the emergency room or be hospitalized with ...

The report contained information indicating that the COVID-19 vaccine cut hospital visits nearly in half for vaccinated ...

The report, which had cleared the agency's scientific-review process, had been delayed. It now won't be published at all, ...

The report found that the shots cut the likelihood of hospitalizations, but the agency’s acting head said it gave an ...

As of November 2025, some healthcare organizations conclude that COVID-19 vaccines have no impact on fertility. But some researchers agree that more studies are needed to understand potential ...

There's a surprising link between the nasal spray azelastine and COVID risk, one study says. Here, what the scientists found ...