What are the symptoms of poliomyelitis?

Depends on type: There are two forms of poliomyelitis- the first does not cause long term muscle and nerve damage and has symptoms such as fever, headaches and GI symptoms- the paralytic form may have those symptoms plus signs of muscle weakness and floppy arms or legs Here is a helpful summary http://www.mayoclinic.org/diseases-conditions/polio/basics/symptoms/CON-20030957