The Epstein-Barr virus, one of the most common in the world, could be the cause of lupus, an autoimmune disease with ...

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

A flu strain that emerged over the summer is causing "unprecedented" outbreaks in Japan, as well as in Canada and the U.K.

Health authorities in Africa have confirmed a possible outbreak of an unidentified viral hemorrhagic fever in southern ...

In fall 2025, rumors spread that the strain of the virus in circulation that causes COVID-19 had "very different signs" ...

A seasonal flu virus suddenly mutated in the summer. It appears to evade some of our immunity, has kick-started a flu season ...

A Washington resident has been hospitalized with bird flu, according to the Washington State Health Department, and they’re infected with a strain of the virus that hasn’t been seen in humans before.

As COVID-19 continues to evolve, a new strain is spiking case numbers worldwide. The XFG variant, also known as Stratus, has been gaining momentum after first being detected in Southeast Asia in ...

In his new book, 'Fair Doses,' epidemiologist Seth Berkley discusses what went right -- and wrong -- with COVID vaccine distribution and whether the world is ready if a new pandemic were to strike.

Measles is considered the world’s most contagious disease and can stay in the air for up to two hours after an infected ...

Who in the world will have access to new weight-loss pills from the makers of Mounjaro injectibles? An up-close look at an Ebola outbreak. The price tag to preempt the next pandemic. Dengue in ...