Rob Stein

The most common strain of flu virus circulating this year tends to cause a lot of serious illness and more deaths than usual. It's also not a great match for this year's flu vaccine.

The 87-year-old former Democratic governor and convicted felon is in a congressional runoff with Republican Garrett Graves and voters will decide between the two on Saturday.

We may be in for a nasty flu season. That's the warning out today from the federal Centers for Disease Control and Prevention.

The CDC is worried because the most common strain of flu virus circulating in the United States is one called H3N2. In previous years, H3N2 strains ...

The lifetime ban on blood from any man who has had sex with men dates to the 1980s, before there was a good test to screen for HIV. Critics say the policy is outmoded and needlessly discriminatory.

The number of Americans getting and dying from colorectal cancer has been dropping steadily except for one group — younger adults.

About two-thirds of Americans who are infected with the virus that causes AIDS aren't getting treated for it.

The finding comes from an analysis just released by the Centers for Disease Control and Prevention showing that more needs to be done to make sure people infected with the human ...

Thousands of kids are being poisoned by ingesting detergent "pods," those increasingly popular alternatives to liquid detergents. Their colorful packaging and design are apparently hard for a lot of kids to resist.

Scientists in England are ready to do something that's never been done before — combine the DNA of two women and one man to create embryos that don't carry hereditary mitochondrial disorders.

State and local governments have the legal authority to impose mandatory quarantines. But law experts are debating whether some states' new Ebola quarantine policies may be stepping over the line.

Officers use "Stingrays" to mimic a cell phone tower and intercept information from phones in a whole neighborhood. The federal government and police have kept such devices under wraps for years.

The Centers for Disease Control and Prevention has announced a plan to start actively monitoring everyone arriving in the U.S. from Sierra Leone, Guinea and Liberia.

The CDC is issuing new guidelines for how hospital workers should protect themselves from Ebola. The revised guidelines come after the virus spread from a Liberian traveler to two nurses in Texas.

A look back at how the Ebola outbreak got to where it is today.

For the first time, scientists are reporting that human embryonic stem cells may be helping treat patients — in one instance, the cells seem to been enabling some blind people to see better.

Cells derived from embryos appear to have improved vision in more than half of the 18 patients who had become legally blind because of two progressive, currently incurable eye diseases.

The first case of Ebola to be diagnosed in the U.S. has led to the first transmission of Ebola from one person to another in this country. It happened in Dallas where Thomas Duncan was being treated.

A team of Harvard scientists said Thursday that they had finally found a way to turn human embryonic stem cells into cells that produce insulin. The long-sought advance could eventually lead to new ways to help millions of people with diabetes.

Right now, many people with diabetes have to regularly ...

The $1.1 million prize will be split between John O'Keefe of University College in London and a husband-and-wife team, May-Britt and Edvard Moser of the Norwegian University in Trondheim.

Officials are keeping watch on 48 people to see if any of them develop signs of the virus. These are the people who had contact with Thomas Duncan, the first person diagnosed with Ebola in the U.S.

U.S.-British scientist John O'Keefe and Norwegian husband and wife Edvard Moser and May-Britt Moser have won for discoveries of cells that constitute a positioning system in the brain.