EPA was right on this Primary Pathogen in sludge Biosolids, which is why the list of pathogens was removed from the
final part 503.

7.     Poliovirus  ------------------------Gastroenteritis, meningitis, carditis, central nervous system
                                         involvement,  pneumonia, infectious hepatitis

The picornavirus that causes poliomyelitis. Serologic types 1, 2, and 3 are recognized, type 1 being responsible for most
cases of paralytic poliomyelitis and most epidemics. Also called poliovirus, poliovirus hominis.

Symptoms : headache, fever, meningism, aseptic meningitis and muscle pains, and finally muscle paralysis, respiratory
paralysis and death (Merck)