California could see an early and especially sharp start to the annual flu season, as a combination of low vaccination rates ...

The flu has started spreading earlier than usual in some parts of the country, prompting concerns that cases could soon erupt ...

In a large-scale trial, modRNA was significantly better at preventing confirmed flu cases than a typical seasonal flu shot.

Flu admissions rates remain low across the U.S., though are beginning to rise ahead of holiday gatherings, according to the CDC’s latest FluView report. At least 2,350 patients with ...

The mutated strain, known as subclade K, is causing a surge in cases in the United Kingdom, Canada, and Japan. Here's what to know.

A Grays Harbor County resident died Friday from H5N5 avian influenza, becoming the first person globally infected with this ...

According to county data, only around 7% of residents have received COVID-19 boosters this season, and 22% have gotten flu ...

Influenza is starting to surge in Alberta, and hospitals are getting busier as doctors brace for what could be an intense few months ahead.

An influenza epidemic that began much earlier than usual is spreading rapidly. Patient numbers have reached their highest ...

For people younger than 65, U.S.-licensed flu vaccines had an estimated effectiveness of 44% to 54% that season. Among those who completed a 6-month follow-up, the mRNA vaccine had a relative efficacy ...