نتایج جستجو برای: l20b
تعداد نتایج: 35 فیلتر نتایج به سال:
BACKGROUND Human enteroviruses have long been associated with various diseases of man resulting into a wide range of acute symptoms involving the cardiac and skeletal muscles, central nervous system, pancreas, skin and mucous membranes. OBJECTIVE To assess the role of enteroviruses in the etiology of hypertension, DCM and HHF. METHODS We obtained stool specimens from 70 subjects comprising ...
INTRODUCTION Global poliomyelitis eradication initiative relies on (i) laboratory based surveillance of acute flaccid surveillance (AFP) to monitor the circulation of wild poliovirus in a population, and (ii) vaccination to prevent its diffusion. However, as poliovirus can survive in the environment namely in sewage, environmental surveillance (ES) is of growing importance as the eradication ta...
BACKGROUND Enteroviruses are among the most common viruses infecting humans worldwide and they are associated with diverse clinical syndromes. Acute flaccid paralysis (AFP) is a clinical manifestation of enteroviral neuropathy, transverse myelitis, Guillian-Barre Syndrome, Traumatic neuritis and many other nervous system disorders. The objective of this study was to understand the role of Non-P...
An unusual, highly diverged derivative of the Sabin type 2 oral poliovaccine (OPV) strain was recovered from environmental samples during routine screening for wild polioviruses. Virus was cultivated in L20B cells and then passaged on BGM cells at 40 degrees C (RCT [reproductive capacity at supraoptimal temperature]-positive marker) to select against most OPV strains. All but 1 of 25 RCT-positi...
Noroviruses (NoVs) are a leading cause of gastroenteritis worldwide and are recognized as the foremost cause of foodborne illness. Despite numerous efforts, routine cell cultures have failed to yield replicating NoV. This paper describes methods used to try to grow NoV in vitro in two laboratories. Cells (A549, AGS, Caco-2, CCD-18, CRFK, CR-PEC, Detroit 551, Detroit 562, FRhK-4, HCT-8, HeLa, HE...
From 2001 to 2004, Switzerland switched from routine vaccination with oral polio vaccine (OPV) to inactivated polio vaccine (IPV), using both vaccines in the intervening period. Since IPV is less effective at inducing mucosal immunity than OPV, this change might allow imported poliovirus to circulate undetected more easily in an increasingly IPV-immunized population. Environmental monitoring is...
زمینه: در بعضی از کشورهای دنیا، با وجود عدم جداسازی ویروس پولیوی وحشی از نمونههای کلینیکی، گردش خفته ویروس در سیستم فاضلاب گزارش شده است. از طرفی به توصیه سازمان بهداشت جهانی در مواردی که احتمال ورود ویروس وحشی از کشورهای اندمیک وجود دارد، پایش محیطی جهت تکمیل پایش موارد فلج شل حاد (پایشAFP ) پیشنهاد میشود. مواد و روشها: در این پژوهش به صورت همزمان پایش AFP و محیطی در استان سیستان و بلو...
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