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Vials of the Fluvirin influenza vaccine are displayed at a Walgreens phramacy on January 22, 2018 in San Francisco, California. A strong strain of H3N2 influenza has claimed the lives of 74 Californians under the age of 65 since the flu season began in October of last year. People are being encouraged to get flu shots even through the vaccine has been only 30% effective in combating the influenza. (Photo by Justin Sullivan/Getty Images)
Sketch That Helps You Determine If You Have The Flu Emerges Online

Healthcare officials are estimating this to be the worst flu season to date around the world. In Britain, over 205 cases of the flu are currently being treated as high priority and emergencies. Sometimes it's hard to tell if we're feeling run down, have a really nasty cold, or if the flu is sneaking up on us. Wouldn't it be nice if there was a guide to self-diagnosing the flu? One Twitter user shared a pro tip from a doctor, and people love it.

As basic as it is, Twitter users were loving the chart and praising its accuracy:

The doctor's algorithm prompted others to share their diagnostic processes for identifying the flu:

If you follow the chart and you have the flu, stay in bed and take care of yourself!

We're glad someone else thought this, too:

Get your flu shot, wash your hands nonstop, and stay home if you're sick!

H/T:  Indy100, Twitter