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Intracellular Movement of Viruses and Bacteria01:10

Intracellular Movement of Viruses and Bacteria

Intracellular bacteria and viruses often comprise a group of highly infectious pathogens that can cause several diseases. Bacterial pathogens include those belonging to the genus Rickettsia responsible for conditions such as rocky mountain spotted fever and the Mediterranean spotted fever; Chlamydia, a genus responsible for a sexually transmitted disease; Coxiella burnetii, an agent responsible for Q fever. Viral pathogens include vaccinia—a poxvirus, and herpes simplex virus—a virus that...
Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...
Reservoir of Infection01:30

Reservoir of Infection

Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...
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Arboviral Encephalitis

Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
Hepatitis01:25

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Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
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Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...

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在伊朗,猫类载体传播的病原体.

Alireza Sazmand1, Mariaelisa Carbonara2, Leili Moradi3

  • 1Department of Pathobiology, Faculty of Veterinary Medicine, Bu-Ali Sina University, Hamedan, 6517658978, Iran. alireza.sazmand@basu.ac.ir.

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概括

猫类载体传播的病原体在伊朗很普遍,其中包括Hepatozoon spp. 这是最常见的. 这项研究强调了对猫的寄生虫控制措施的必要性,以减少疾病传播.

关键词:
迪罗菲拉利亚 spp.肝动物 spp. 肝动物 spp.莱什曼尼亚种类 (Leishmania spp.) 是一种国内的类动物.一个健康的健康.载体传播病原体的病原体.

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科学领域:

  • 兽医寄生虫学 兽医寄生虫学
  • 分子流行病学分子流行病学
  • 猫类传染病 猫类传染病

背景情况:

  • 猫类载体传播病原体 (FeVBPs) 在热带/亚热带地区普遍存在.
  • 与狗相比,猫的FeVBP流行情况存在有限的数据.
  • 伊朗的气候支持关节动物载体,增加FeVBP风险.

研究的目的:

  • 为了确定伊朗各地猫的FeVBPs的流行率.
  • 为了识别在猫群中循环的特定的载体传播病原体.
  • 为提供伊朗猫的FeVBPs分子流行病学概述.

主要方法:

  • 来自伊朗7个省份的848只猫的血液样本的分子查 (2018年12月 - 2023年2月).
  • 对Hepatozoon spp.,Babesia spp.,Cytauxzoon spp.,Dirofilaria spp.和Leishmania spp.进行测试
  • 猫有户外生活方式,不同的年龄和性别.

主要成果:

  • 总体而言,5.4%的猫至少有一次VBP的阳性测试.
  • 肝动物 spp. 肝动物 spp. 是最常见的 (3.8%),其次是Leishmania spp. (2.5%) 和Dirofilaria immitis (0.7%). 这两种类型的虫害有:
  • 确定了特定的肝动物物种 (H. felis,H. canis) 和地理分布.

结论:

  • 这是伊朗首次对FeVBPs进行大规模分子研究.
  • 动物传染性VBPs (D. immitis,Leishmania spp.) 的存在 需要采取控制措施.
  • 控制野猫种群和对拥有猫的寄生虫进行控制对于降低VBP传播风险至关重要.