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: