Encephalomyocarditis in monkeys

R I Krylova1, E K Dzhikidze

  • 1Institute of Medical Primatology, Russian Academy of Medical Sciences, Sochi. iprim@sochi.net

Insights

Encephalomyocarditis virus causes spontaneous infections in monkeys. This study details the virus characteristics and diagnostic pathology from outbreaks first detected in 1974 and observed since 2001.

Area of Science:

  • Veterinary Virology
  • Primate Pathology
  • Infectious Diseases

Background:

  • Spontaneous viral infections in non-human primates can pose significant challenges to captive populations.
  • Encephalomyocarditis virus (EMCV) has been identified as a causative agent in such outbreaks.
  • Previous detection of EMCV in monkeys was recorded at the Sukhumi Breeding Center in 1974.

Purpose of the Study:

  • To present findings on a spontaneous encephalomyocarditis viral infection in monkeys.
  • To describe the characteristics of the encephalomyocarditis virus.
  • To outline diagnostic principles based on pathological findings.

Main Methods:

  • Pathological examination of infected monkeys.
  • Viral characterization studies.
  • Epidemiological investigation of outbreak occurrences.

Main Results:

  • The study details the occurrence of encephalomyocarditis in monkeys, first noted in 1974 and observed in a new location since 2001.
  • Key characteristics of the encephalomyocarditis virus are elucidated.
  • Diagnostic criteria derived from pathological studies are presented.

Conclusions:

  • Encephalomyocarditis virus represents a persistent etiological agent in monkey populations.
  • Understanding viral characteristics and pathological indicators is crucial for diagnosis.
  • Continued surveillance and diagnostic preparedness are essential for managing EMCV outbreaks in captive primates.

Related Concept Videos

Myocarditis I: Introduction01:21

Myocarditis I: Introduction

Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
Arboviral Encephalitis01:25

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...
Encephalitis l: Introduction01:19

Encephalitis l: Introduction

Encephalitis is inflammation of the brain parenchyma, most often due to infections or autoimmune processes. It presents with neuropsychiatric features such as fever, altered mental status, behavioral changes, cognitive dysfunction, seizures, focal deficits, and sometimes autonomic instability. In some cases, the meninges are also involved, resulting in meningoencephalitis.Infectious CausesInfectious encephalitis is most commonly viral but can also result from bacterial, fungal, or parasitic...