Nearly all of the contracts are with the U.S. Army. The experimentation ranges from several drug toxicology tests on dogs to ...

Years of American-led investment into AIDS programs has reduced the number of people killed by the disease to the lowest ...

Child mortality has been halved in the last 25 years. Building on this progress, new innovations in immunization are working ...

This could lead to the development of precision allergy treatments that are fast acting, needle free, and tailored to individual allergen sensitivities.

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.