Although the threat of polio ended with the Salk vaccine in 1954, many polio survivors are now experiencing the onset of post-polio syndrome (PPS), a complication with new but related symptoms such as chronic fatigue and joint pain.
Although the threat of polio ended with the Salk vaccine in 1954, many polio survivors are now experiencing the onset of post-polio syndrome (PPS), a complication with new but related symptoms such as chronic fatigue and joint pain.
