Seasonal Flu -- A Look Back -- February 19, 2023

Other than starting one year earlier and ending one year earlier (the top graph), the two graphs below both have the same heading:

"Cumulative rate of laboratory-confirmed influenza hospitalizations among cases of all ages...." Only the ranges are different.

• The top graph: "2015-16 to 2021-22." 

• The bottom graph: "2014-15 to 2022-23."

Can you spot the differences?

Top graph:

Bottom graph:

Answer(s) here: https://mdwbackstory.blogspot.com/2023/02/seasonal-flu-look-back-sunday-february.html.