Reemergence of Recombinant Vaccine–derived Polioviruses in Healthy Children, Madagascar
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منابع مشابه
Reemergence of Recombinant Vaccine–derived Polioviruses in Healthy Children, Madagascar
To the Editor: Poliomyelitis outbreaks caused by pathogenic vaccine-derived polioviruses (VDPVs) are primarily a result of low polio vaccine coverage. Low coverage enables interhuman circulation of polioviruses (PVs) from the oral polio vaccine (OPV), and it enables genetic drift of the viruses and their subsequent reversion to neurovirulent phenotypes (1). Polio outbreaks associated with type ...
متن کاملReemergence of recombinant vaccine-derived poliovirus outbreak in Madagascar.
BACKGROUND After the 2001-2002 poliomyelitis outbreak due to recombinant vaccine-derived polioviruses (VDPVs) in the Toliara province of Madagascar, another outbreak reoccurred in the same province in 2005. METHODS We conducted epidemiological and virological investigations for each polio case patient and for their contacts. RESULTS From May to August 2005, a total of 5 cases of acute flacc...
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15 صفحه اولRecombinant Vaccine–Derived Poliovirus in Madagascar
TsCysti was exclusively endemic (2). The contaminated areas in Irian Jaya have increased from the central area (Paniai), to the east (Jayawijaya) (3), and then to the west (Manokwari), where 54 TsCysti cases have been reported (Papua Province Health Office Services, 1997, unpub. data). We wanted to know if taeniasis/cysticercosis had been introduced into the eastern half of New Guinea Island, c...
متن کاملCo-Circulation and Evolution of Polioviruses and Species C Enteroviruses in a District of Madagascar
Between October 2001 and April 2002, five cases of acute flaccid paralysis (AFP) associated with type 2 vaccine-derived polioviruses (VDPVs) were reported in the southern province of the Republic of Madagascar. To determine viral factors that favor the emergence of these pathogenic VDPVs, we analyzed in detail their genomic and phenotypic characteristics and compared them with co-circulating en...
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ژورنال
عنوان ژورنال: Emerging Infectious Diseases
سال: 2013
ISSN: 1080-6040,1080-6059
DOI: 10.3201/eid1906.130080