نتایج جستجو برای: mareks disease virus
تعداد نتایج: 1808563 فیلتر نتایج به سال:
occupational exposure to blood and body fluids is an important hazard for health care workers, which places them at a high risk for blood-borne infections including hepatitis b virus, hepatitis c virus and human immunodeficiency virus and results in psychological and emotional stresses. several preventive measures have been proposed including pre-exposure ( e.g. , education, use of standard pre...
the objective of this study was to describe the seroprevalence rates of bluetongue virus (btv) in sheep in west and northwest provinces of iran. bluetongue virus, an economically important orbivirus of the reoviridae family, causes a hemorrhagic disease mainly in sheep and occasionally in cattle and some species of deer. bluetongue virus is transmitted between its mammalian hosts by certain spe...
The present study was conducted on sixty healthy female domestic ruminants that suffered from still births or abortion, to find sero-positive cases and also to determine the probable role of uterine tissue in diagnosis of akabane viral infection and viral persistency. Because of this, a serological test (ELISA) and molecular (RT-PCR) diagnostic methods were used to find the seropositive cases a...
Covid-19 virus has become a global pandemic virus with many economic consequences and has affected almost all countries of the world, and therefore it is expected that the global economy will pass 2020 with a significant recession. . Meanwhile, Iran, like many countries involved in this epidemic, has become globalized and suffers as a result of the economic consequences. This necessity led to t...
In this paper we study the dynamics of Hepatitis B virus (HBV) infection under administration of a vaccine and treatment, where the disease is transmitted directly from the parents to the offspring and also through contact with infective individuals. Stability of the disease-free steady state is investigated. The basic reproductive rate, $R_0$, is derived. The results show that the dynamics of...
Infection with human T cell lymphotropic virus type I (HTLV-I) causes multiple neurologic disorder , due to the retroviruses.Spinal cord disease of this type is named TSP (tropical spastic paraparesis) that were drawn to the attention of neurologists 45 years ago. The clinical picture is one of the slowly progressive paraparesis with increased tendon reflexes & Babi...
Abstract Background and Aims: Newcastle disease (ND) is a highly contagious disease that affects many species of birds and causes significant economic losses to the poultry industry worldwide and the pathogenicity of Newcastle disease virus (NDV) strains varies with different virulence. We aim to detect lentogenic (low virulence) ND virus (ND/IR 2010) using sentinel birds and molecular det...
Abstract Introduction: According to experts, Stress and anxiety can weaken the immune system and make people vulnerable to diseases such as corona virus. Accordingly, the aim of this study was to compare the effect of Hope Therapy Based on Cognitive-Spiritual Approach and Tai chi Exercises on Anxiety due to Corona Disease in students. Materials and Methods: A Semi-experimental design was con...
Zika virus is an Arbovirus identified first time in 1947 in Uganda. Zika epidemic is a threat far greater than the Ebola outbreak. The World Health Organization has urged Asian countries to be vigilant about the risk of spreading Zika virus and preventive measures to control it. In Iran, 64 species of mosquitoes from Culicidea family have been reported three of which belong to the Aedes genus, ...
Foot-and-mouth disease (FMD) is a major infectious disease of cloven-hoofed animals that is caused by the FMD virus (FMDV). This disease has significantly adverse economic impacts; therefore, rapid control measures are urgently. Traditional ranchers in Iran use Alhagi maurorum Medik. to treat FMD; therefore, we aimed to examine the antiviral activity of methanolic, ethanolic, and aqueous-acetic...
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