Pennsylvania has seen a huge decline in flu cases this year.
The Patriot-News reports that documented flu cases have dropped by 97 percent compared with this time last year.
Through late February, 71 flu-related hospitalizations had been reported to the state Department of Health compared to 900 by the same time last year.
There have been no flu-related deaths in Pennsylvania this year; 47 people had died by this time last year.
Experts are citing possible reasons including the mild winter, higher vaccination rates and greater knowledge about how to avoid spreading the flu