- CDC says it's another severe flu season with up to 7.3 million people sick so far CNBC
- Flu Season Is Picking Up. Here's How Many People Have Already Gotten Sick TIME
- Millions of Americans Have Gotten the Flu So Far This Season Bloomberg
- 7 million Americans have the flu - but it is MUCH less deadly than last year, CDC reveals Daily Mail
- With up to 7.3 million people hit by flu so far this season, scientists search for better vaccine CNN
- View full coverage on Google News
At least half of those people have sought medical care for their illness, according to the Centers for Disease Control and Prevention.
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Experts say the promising news is that the flu shot appears much more effective at fending off infection this year, so they urge as many people to get it as soon as possible.
Instead of relying on people to get vaccinated every year, scientists are getting closer to a flu vaccine that would last through multiple seasons, called a universal flu vaccine.