منابع مشابه
Poliomyelitis: Current Status in Iran and Worldwide
Poliomyelitis (polio) is a highly infectious viral disease, which mainly affects young children. The virus is transmitted by person-to-person spread mainly through the faecal-oral route or, less frequently, by a common vehicle (e.g. contaminated water or food) and multiplies in the intestine, from where it can invade the nervous system and can cause paralysis. Initial symptoms of polio include ...
متن کاملPoliomyelitis Vaccine
The Epidemiology of poliomgelitis has been investigated in our country Pasteur Institute; the incidence of Poliomgelitis, after the age of 4 years i's rare, in Iran. Passive antibody of maternal origin do not interfere with production of active antibody after immunization. Inactivated Polio Vaccine (salk) has been effective in reducing the incidence of poliomgelitis by approximately 90 per ...
متن کاملStudies in Rodent Poliomyelitis
1. The murine virus may be grown in embryonic mouse brain-serum ultrafiltrate cultures. The virus fails to grow in embryonic chick tissue cultures or in fertilized egg preparations. 2. Some relationship can be demonstrated between the amount of nervous tissue and the infectivity of the culture. 3. Optimum titers of virus potency (10(-6)) can be obtained by adjusting the pH of the growing cultur...
متن کاملPoliomyelitis surveillance in Shandong
In Shandong Province, China, programmes were initiated in 1991 for mass immunization against poliomyelitis and for the immediate reporting of acute flaccid paralysis (AFP). The incidence of non-poliomyelitis AFP was found to be 0.46-0.61 cases per 100 000 children per annum. It appeared that illness resembling the Guillain-Barre syndrome was underreported. The incidence of such illness peaked a...
متن کاملPoliomyelitis in Chimpanzees
The response of eighteen chimpanzees to poliomyelitis virus administered orally and cutaneously has been studied. There were no signs of weakness or paralysis in any of the animals. Sixteen of the eighteen (89 per cent) became infected as measured by intestinal carriage of virus. Only one of twelve was reinfected when challenged with an homologous (or homotypic) strain by the same routes, but s...
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ژورنال
عنوان ژورنال: The Journal of Nervous and Mental Disease
سال: 1918
ISSN: 0022-3018
DOI: 10.1097/00005053-191804000-00027