Originally Posted by
Velo Vol
Lame. It's 2019. We should have real time updates on people getting the flu.
Speaking of which, how does the CDC know where people are getting the flu?
They (and state health depts) have a very active surveillance program. But it's based on lab testing. Not everyone with the flu gets tested, actually I don't even test if I am pretty sure.
More info:
https://www.cdc.gov/flu/weekly/index.htm