House Democrats on the Oversight Committee are calling for an urgent briefing with staff from the Centers for Disease Control and Prevention (CDC), demanding answers over recent moves that have taken place among the agency's vaccine advisory panel, ABC News can exclusively report.

A new federal estimate shows that nearly 1 in 3 U.S. adolescents had prediabetes in 2023, far higher than a previous estimate of 1 in 5

The US Centers for Disease Control and Prevention on Wednesday tallied the highest number of US measles cases since the disease was declared eliminated a quarter-century ago, just as a key Senate committee split the vote to advance President Donald Trump’s nominee to lead the public health agency.

A Senate committee will vote this week on whether to advance the nomination of Susan Monarez, President Donald Trump’s pick to lead the Centers for Disease Control and Prevention.

The CDC ends its emergency response to H5N1 bird flu after recording 70 human cases and one death nationally, even as experts note seasonal patterns may increase fall cases.

A CDC advisory panel vote to recommend against use of seasonal influenza vaccines containing small amounts of thimerosal followed a presentation that misled on the risks of the rarely used preservative.

Nearly 1 in 3 American adolescents have prediabetes, a CDC report finds. An official notes "it’s not too late to change course."

Doctors and researchers said the moves will make it harder to detect potentially dangerous changes. If the virus continues to jump between species or the human case count grows, there’s a greater risk that it could mutate and become more easily transmissible between people,

This summer's May and June spikes in tick bites are the largest for at least five years in the Northeast, according to data from the CDC

Ticks are small arachnids that can feed on your blood and transmit life-threatening illnesses, but the risk of transmission is low if you remove the tick safely and quickly and take other preventative measures.