The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new ...

Flu cases are rising across the U.S. Here's what you need to know about symptoms, flu duration and the new strain ...

Every summer, Aubree Gordon, an epidemiologist at the University of Michigan in Ann Arbor, spends about a month in Managua, Nicaragua, when the rainy season is in full swing. But Gordon is interested ...

Both selections were widely expected: Lankinen is clearly one of Finland’s top three goalies. He played for Finland at last ...

Today in History for Jan. 14: In 1529, Spanish diplomat and writer Juan de Valdes published his Dialogue on Christian Doctrine. It paved the way for Protestant ideas in Spain. In 1645, the Company of ...

The Weekly Show with Jon Stewart aired a segment which has sparked criticism for its tone toward mask wearing in workplace ...

Those infected with the flu are most contagious during the first three days, the CDC said. In some cases, however, people can ...

Breathlessness, brain fog and fatigue are symptoms of long Covid that remain difficult to explain - but a group of leading microbiologists think they may have discovered an important clue to ...

Here’s what to know about the dominant version of the virus that’s circulating now. By Dani Blum The flu constantly morphs and mutates. Often, it surprises researchers a little. This year, the virus ...