New research suggests the long-term effects of COVID could be more devastating than previously thought and could even damage ...

It's very unlikely to get HIV from kissing. Here's how HIV can be transmitted and tips to prevent the spread.

Ahead of the 2025 European AIDS Conference in Paris, researchers discovered a new antibody against HIV. The new discovery of an antibody against HIV by the University Hospital of Cologne, Germany, has ...

Viruses are so simple in their structure, they may not even qualify as living things. Yet, they are ruthless in their robotic ...

You may feel achy or feverish after the flu shot, but these are side effects from your immune system's response and should ...

Tragic RSV vaccine trials in the 1960s set the field back for decades. Here’s how scientists finally made breakthroughs in RSV immunization ...

The Asian longhorned tick is an invasive species that doesn't need a male to reproduce. Kansas had its first case after a ...

Pseudomonas bacteria infected by different mutations of a jumbo phage. The dot in the middle is the shield created by the phage to protect its DNA after it has infected the bacterial cell. Image by ...

Scientists discovered four protein changes that help naked mole rats repair DNA faster. These small tweaks may explain their ...

Many people in the U.S. today have no direct experience with measles, a disease that used to infect three or four million people in the nation every year before vaccines became available in 1963.