Yes, You Should Get a Flu Shot in 2018. Here’s Everything to Know

The 2017-2018 flu season was a bad one. The dominant viral strain, H3N2, was a particularly severe form of influenza, leading to widespread and serious illness across the country. The flu and its complications killed around 80,000 people last year, the CDC estimates, including 180 children. That's the highest flu death toll in four decades.