Ticks are spreading new diseases faster than ever—and one virus family may already be evading our immune system.

Less than seven months into 2026, the United States has already reached a 35-year high for annual measles cases. As of ...

Respiratory viral codetections are common in young children with RSV and are not associated with worsened clinical course and increased health care resource use.

A British child on holiday in Spain has become seriously ill with the virus known as the world’s most infectious disease. The child, who is believed to be under five years of age, is thought to have ...

Delaware is vulnerable to measles due to its close proximity to outbreak locations and the highly contagious nature of the ...

As confirmed cases of cyclospora continue to rise in Texas, pediatric specialists are helping parents understand how the ...

As humidity rises and monsoon arrives, viral infections such as flu, dengue, chikungunya and hepatitis become more common. An infectious disease expert explains why cases increase, who is most at risk ...

An expert in infectious diseases told Newsweek that antibiotics won't help viral illnesses and may fuel antibiotic resistance ...

UNICEF amplified its call for accelerated action to contain the outbreak of deadly Ebola virus disease in Central Africa.

People across the United States are taking a closer look at their lettuce and leafy greens this summer thanks to an outbreak ...

Each morning, thousands of parents across New Zealand make the same tricky judgement call: is their child well enough to go ...