نتایج جستجو برای: disease transmission
تعداد نتایج: 1699388 فیلتر نتایج به سال:
The question as to how the ratio of horizontal to vertical transmission depends on the coefficient of horizontal transmission is investigated in host-parasite models with one or two parasite strains. In an apparent paradox, this ratio decreases as the coefficient is increased provided that the ratio is taken at the equilibrium at which both host and parasite persist. Moreover, a completely vert...
COVID-19 was announced pandemic by March 2020. Due to the high prevalence of the disease and its staggering spread, it is very important to identify various manifestations of this viral infection. The aim of this study is to review published articles about cutaneous involvement of COVID-19 disease. Cutaneous manifestations are rare in COVID-19 disease and it is essential to recognize these po...
the aim of this study was to investigate the prevalence of hepatitis b virus (hbv) genotypes in isparta, southwest of turkey, as well as the clinical features and transmission route for patients with hbv infections. methods: patients (n = 135) with hbv infection were included in the study. epidemiological and clinical data were obtained. hbv genotypes were determined with a pres2 epitope elisa ...
ABSTRACT Background and Objective: This study was conducted to evaluate epidemiology of risk factors for hepatitis C virus (HCV) transmission, and determine the association of its genotypes with viral load and response to treatment in patients referred to the Infectious Disease Clinic of Khorramabad. Methods...
the problem of aids had not been recognized up to 1981 and in 1984 it was found that hiv virus is factor of this disease. for the time beings aids/hiv infection has chanched to a pandemic and cases affected to it are now reported from all over the world. in our country the first case was reported in 1987. regarding the importance of disease and recognition of its prevention and transmission rou...
This article, first represents statistics of AIDS in Iran and the world, then studies the feature of AIDS disease, the factors of infection and the ways of its transmission. In this article we regards to the special group such as children, women and prisoners. Moreover some issues related to the observation of human rights principle in respect of HIV-positive persons are discussed. The next ...
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