The CDC is “monitoring the health status and preparing medical support for all of the American passengers on the cruise,” but federal health officials have mostly been tight-lipped.

Federal health officials have now made quarantine mandatory for the 18 cruise ship passengers being monitored in Omaha after a deadly hantavirus outbreak.

All of the American cruise passengers who are quarantining in Nebraska are asymptomatic for hantavirus, officials said. Here's the latest.

An American missionary physician working in the Democratic Republic of Congo has contracted Ebola, and is being transferred to Germany.

Public health officials in January approved the procurement of the trivalent flu vaccines in accordance with the WHO’s recommendations, the CDC said in a statement. The CDC purchased 6,849,360 of standard flu vaccines and 200,