Aid cuts by the United States are hurting Africa’s capacity to respond to disease outbreaks, the head of the continent's ...

Five years after the virus was declared a pandemic on March 11, 2025, worldwide deaths from Covid-19 are estimated at 19-36 ...

Organizations funded by the United States helped keep dangerous pathogens in check around the world. Now many safeguards are ...

The number of measles cases associated with an outbreak in western Texas has grown to 259, according to new data released ...

Five years after the World Health Organization declared a global pandemic, there has been progress — and backsliding in the ...

Texas state health officials said Friday there were 36 new cases of measles since Tuesday, bringing Texas' total to 259. Five more people were hospitalized, for a total of 34. The outbreak has spread ...

A measles outbreak in Texas has infected over 250 people as of Friday, as cases of the highly contagious illness have been spotted in 15 states and already exceeded the total number of measles cases ...

Measles is one of the most contagious viruses in the world, and can live on surfaces or suspended in the air for two hours.

Variations in temperature, precipitation, and humidity can influence the spread of infectious diseases, including by altering ...

Federal health officials are monitoring the outbreak of a deadly and mysterious disease in the Democratic Republic of Congo, ...

Unidentified illnesses in northwestern Congo have killed more than 50 people over the past five weeks, nearly half of them ...

The measles outbreak in Texas has quickly grown to 146 cases. One child has died. NBC News answers readers' questions about ...