The virus isn’t that bad for children, and the vaccine has its own risks. Isn’t it better to just skip it?” It is a fair ...

Cold and flu season typically happen during the fall and winter. Though it comes around every year, there's still a lot of confusion about viruses, vaccines and how to avoid getting sick. Experts and ...

Some viruses mutate more rapidly than others. Learn more about why that is and what that means for your health.

With the arrival of spring, the United States is easing out of respiratory virus season, a familiar pattern that has been challenged by COVID-19 for the past four years.Related video above: CDC ...

The bird flu virus that has been spreading among wild birds, poultry and mammals could lead to a pandemic worse than COVID-19 if it mutates to transmit between humans, the head of France's Institut ...

Three out of four adults in the United States live with conditions that can increase the risk of severe illness. 9 Chronic ...

Five years ago, a cluster of people in Wuhan, China, fell sick with a virus never before seen in the world.The germ didn't have a name, nor did the illness it would cause. It wound up setting off a ...

Scientists have discovered a new bat virus in Brazil that shares a key genetic feature with COVID-19, raising concerns about its potential to infect humans.

The first reports of coronavirus — a group of viruses that includes COVID-19 and other diseases — go back to the 1930s.