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superinfection/fiebre
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A vector-host model to assess the impact of superinfection exclusion on vaccination strategies using dengue and yellow fever as case studies.
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Superinfection exclusion is a phenomenon whereby the co-infection of a host with a secondary pathogen is prevented due to a current infection by another closely-related pathogenic strain. We construct a novel vector-host mathematical model for two pathogens that exhibit superinfection exclusion and
Classical Swine Fever Virus vs. Classical Swine Fever Virus: The Superinfection Exclusion Phenomenon in Experimentally Infected Wild Boar.
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Two groups with three wild boars each were used: Group A (animals 1 to 3) served as the control, and Group B (animals 4 to 6) was postnatally persistently infected with the Cat01 strain of CSFV (primary virus). The animals, six weeks old and clinically healthy, were inoculated with the virulent
[Experience with mass superinfection with scarlet fever in a hepatitis clinic].
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[Fever in neutropenic patients: analysis of 109 episodes and 15 superinfections (author's transl)].
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[Cyclic penicillin therapy of scarlet fever as a prophylaxis against complications due to superinfection].
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Superinfection as a driver of genomic diversification in antigenically variant pathogens.
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A new pathogen strain can penetrate an immune host population only if it can escape immunity generated against the original strain. This model is best understood with influenza viruses, in which genetic drift creates antigenically distinct strains that can spread through host populations despite the
Stability of yellow fever virus under recombinatory pressure as compared with chikungunya virus.
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Recombination is a mechanism whereby positive sense single stranded RNA viruses exchange segments of genetic information. Recent phylogenetic analyses of naturally occurring recombinant flaviviruses have raised concerns regarding the potential for the emergence of virulent recombinants either
A model virus-cell system to study the persistence of African swine fever virus.
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The persistence of African swine fever virus (ASFV) on Vero cells was induced by using 5-iodo-2'-deoxyuridine (IDU). After the persistence was established, several cycles of decreasing virus production were observed with intervals in which no virus could be detected. These latency-like periods could
The 1970 yellow fever epidemic in Okwoga District, Benue Plateau State, Nigeria. 3. Serological responses in persons with and without pre-existing heterologous group B immunity.
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Serological studies of persons infected with yellow fever (YF) during the 1970 epidemic in Okwoga District, Nigeria, indicated that epidemic YF occurred despite a high prevalence of pre-existing group B arbovirus immunity, which increased with age. The viruses involved were primarily dengue, Zika,
Indirect fluorescent antibody test for the diagnosis of yellow fever.
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The indirect fluorescent antibody (FA) test was evaluated for the serodiagnosis of yellow fever (YF) cases and for detection of antibodies after 17D YF vaccination. Results were compared with those of standard serological tests, reactions with heterologous flaviviral antigens were determined, and
[A urachus cyst revealing a torpid Crohn's disease in a young adult with chronic fever].
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BACKGROUND
This case report describes a rare situation in which a superinfected cyst of the urachus complicated initially unknown and inactive Crohn's disease.
METHODS
A 21-year-old man presented a chronic fever finally attributed to a superinfected urachal cyst. Six months after ablation of the
In Vitro Coinfection and Replication of Classical Swine Fever Virus and Porcine Circovirus Type 2 in PK15 Cells.
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Increasing clinical lines of evidence have shown the coinfection/superinfection of porcine circovirus type 2 (PCV2) and classical swine fever virus (CSFV). Here, we investigated whether PCV2 and CSFV could infect the same cell productively by constructing an in vitro coinfection model. Our results
Porcine cells persistently infected with classical swine fever virus protected from pestivirus-induced cytopathic effect.
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Cytopathogenicity of classical swine fever virus (CSFV) depends on the presence of defective particles containing a subgenomic (sg) RNA with a defined deletion. In a previous report we described the spontaneous generation of this sg RNA and therefore of cytopathogenic (cp) CSFV in porcine kidney
A comparative study of intravenous ciprofloxacin and benzylpenicillin versus netilmicin and piperacillin for the empirical treatment of fever in neutropenic patients.
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We examined the efficacy of ciprofloxacin as an empirical treatment for fever in 97 neutropenic patients in a randomized study of ciprofloxacin and benzylpenicillin versus netilmicin and piperacillin. Benzylpenicillin was included because of evidence of in-vitro resistance to ciprofloxacin in some
Cellular proteomic analysis of porcine circovirus type 2 and classical swine fever virus coinfection in porcine kidney-15 cells using isobaric tags for relative and absolute quantitation-coupled LC-MS/MS.
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Viral coinfection or superinfection in host has caused public health concern and huge economic losses of farming industry. The influence of viral coinfection on cellular protein abundance is essential for viral pathogenesis. Based on a coinfection model for porcine circovirus type 2 (PCV2) and
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