The incubation period for nonparalytic poliomyelitis is 3-6 days for the onset of paralysis in paralytic poliomyelitis, the incubation period usually is 7 to 21 days this clinical. Two types of vaccine are used throughout the world to combat polio both types induce immunity to polio, the first clinical description was provided by the english physician michael. Polio, or poliomyelitis, is a crippling and potentially deadly disease it is caused by the poliovirus the virus spreads from person to person and can invade an infected person’s brain and.
If only 40% of the paralytic experience pps (using polio task force criteria) i don't know where we are with respect to those other types finally, sub-clinical polio has an important and.
Polio is caused by person-to-person transmission of polio viruses (enteroviruses, three main types) not receiving the polio vaccine is the highest risk factor for getting infected with.
Polio can strike at any age, but affects mainly children under three in may 1988 the world health assembly resolved to eradicate polio from the world as a result of this eradication.
The virus polio is caused by a human enterovirus called the poliovirus polio can interact in its host in two ways: infection not including the central nervous system, which causes a minor. World health organization european region was declared polio free of the 3 types of wild poliovirus (types 1, 2, and 3) in june 2002 a world map depicting polio-endemic countries, regions.
The english physician michael underwood provided the first clinical description of the disease in 1789, when he referred to polio as “a debility of the lower extremities” the work of. Poliomyelitis is a highly contagious infectious disease which has three strains, poliovirus 1 (pv1), pv2 and pv3 polio virus, although rare in developed countries, can be found in many. Poliomyelitis, or polio, is a highly contagious disease that is caused by a virus that attacks the body’s nervous system doctors can only treat the symptoms while the infection runs its.