As well as the common symptoms of post-polio syndrome, several associated symptoms can arise from the combination of fatigue, muscle weakness, and muscle and joint pain.
Squirrel monkeys are any of the species of monkeys that belong to the taxonomic genus Saimiri. The species and subspecies are distinguished mostly from fur coloring and shape, rather then behavior differences. They live in Central and South America and have similar habitats even though the range is very widespread.
The New World monkeys and the Old World monkeys are each monophyletic groups, but their combination is not, since it excludes hominoids (apes and humans). Thus the term monkey no longer refers to a recognized scientific taxon.