Polio rarely causes paralysis in infants, partly because of the maternal antibodies still present in their systems. In the 1900s, many countries cleaned up their water and sanitation systems ...

ONE of the remarkable changes that have occurred in poliomyelitis in many parts of the world in the past twenty years is the rise in its incidence in older age groups. 1 Formerly uncommon in ...

Although observations of blood-pressure levels in poliomyelitis have been common, most papers describing this disease make few or no remarks concerning the presence of hypertension. One of the ...