نتایج جستجو برای: polio enteroviruses
تعداد نتایج: 4940 فیلتر نتایج به سال:
Background and Aim: Iran managed to eradicate the wild poliovirus in 2000. However, a large number of AFP cases are still detected each year because of close surveillance: there were 450 reported AFP cases in 1382. The expected number of cases for the year 1382 in the province of West Azarbayjan (with an under-15 population of 1100000) was 11, while the observed number was more than 6 times gre...
OBJECTIVE IgG and IgA immunocompetence of children with wild poliovirus poliomyelitis and non-polio acute flaccid paralysis. METHODS 932 cases of acute flaccid paralysis, reported in 2008-2009, were tested for presence of polio and non-polio enteroviruses according to the WHO standards. Serum IgA and IgG levels were determined by sandwich ELISA. RESULTS Mean (SD) IgA levels [0.87 (0.62)g/L;...
waterborne epidemics of viral diseases have occurred and been reported over the years, and isolation of viruses from water of different sources has been made possible by different methods of concentration. it is now believed that bacterial parameters of water purity may not provide an adequate index as to the safety from a virological point of view. in this study eight samples from four main te...
In an attempt to determine the types of non-polio enteroviruses (NPEVs) in acute flaccid paralysis (AFP) cases in Iran, we detected enterovirus 71 (EV71) in an AFP case with residual paralysis for the first time. Cell culture detected no enteroviruses, while RT-PCR and subsequent sequencing revealed that the specimen was positive for EV71. EV71 is the causative agent of a variety of diseases fr...
INTRODUCTION Convulsions associated with fever and acute onset of unknown aetiology with case fatalities have become a long observed medical condition at the Child Health Department of the Korle-Bu Teaching Hospital. Children admitted to the department with seizures of undetermined origin and fever has been a source of diagnostic confusion. Studies from the Asia Pacific region suggest a link wi...
The work presented here demonstrates the utility of a two-step algorithm for environmental poliovirus surveillance based on: preselection of sewage samples tested for the presence of enteroviral genetic material-RT-PCR assay and detection of infectious viruses by cell culture technique (L20B for polioviruses and RD for polio and other non-polio enteroviruses). RD and L20B cell lines were tested...
OBJECTIVE Enteroviruses are important pathogens in infants, but their true contribution to febrile illness in infants </=90 days old is unknown. The purpose of this study was to use the polymerase chain reaction (PCR) for diagnosis of enteroviral (EV) infection in febrile and afebrile infants </=90 days of age to improve the understanding of the epidemiology of EV infection in this population. ...
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