If you have not gotten your flu vaccine, state public health officials are urging you to do so as Illinois could see another surge in cases.

The number of people getting sick with influenza B has gone up for three weeks straight, now making up about a third of flu cases nationwide.

Flu activity remains elevated across Tennessee, with parts of East Tennessee reporting some of the highest levels of influenza‑like illness in the state. Here's what to know.

For the first time, scientists have been able to watch the flu virus live as it infects human airway cells. They developed a new technique which makes the viral genetic material light up under the microscope.