Acute Flacid Myelitis

First widely acknowledged in 2014, the disease seems to ebb and flow on a two-year cycle, with an uptick in 2016 and again this year, according to an advisory from the Philadelphia Department of Public Health.

http://www2.philly.com/philly/health/polio-like-illness-philadelphia-acute-flaccid-chop-20181015.html

By Tom Avril