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1.
J S Afr Vet Assoc ; 88(0): e1-e9, 2017 Mar 24.
Article in English | MEDLINE | ID: mdl-28397511

ABSTRACT

Rabies is a neglected zoonotic disease with veterinary and public health significance, particularly in Africa and Asia. The current knowledge of the epidemiology of rabies in Mozambique is limited because of inadequate sample submission, constrained diagnostic capabilities and a lack of molecular epidemiological research. We wanted to consider the direct, rapid immunohistochemical test (DRIT) as an alternative to the direct fluorescent antibody (DFA) for rabies diagnosis at the diagnostic laboratory of the Central Veterinary Laboratory (CVL), Directorate of Animal Science, Maputo, Mozambique. Towards this aim, as a training exercise at the World Organisation for Animal Health (OIE) Rabies Reference Laboratory in South Africa, we performed the DRIT on 29 rabies samples from across Mozambique. With the use of the DRIT, we found 15 of the 29 samples (52%) to be negative. The DRIT-negative samples were retested by DFA at the OIE Rabies Reference Laboratory, as well as with an established real-time Polymerase chain reaction, confirming the DRIT-negative results. The DRIT-positive results (14/29) were retested with the DFA and subsequently amplified, sequenced and subjected to phylogenetic analyses, confirming the presence of rabies RNA. Molecular epidemiological analyses that included viruses from neighbouring countries suggested that rabies cycles within Mozambique might be implicated in multiple instances of cross-border transmission. In this regard, our study has provided new insights that should be helpful in informing the next steps required to better diagnose, control and hopefully eliminate rabies in Mozambique.


Subject(s)
Dog Diseases/diagnosis , Immunohistochemistry/veterinary , Rabies/veterinary , Animals , Antigens, Viral , Brain/virology , Dog Diseases/genetics , Dog Diseases/transmission , Dogs , Immunohistochemistry/methods , Likelihood Functions , Molecular Epidemiology , Mozambique/epidemiology , Phylogeny , Polymerase Chain Reaction , Rabies/diagnosis , Rabies/genetics , Rabies/transmission , Rabies virus/genetics , Rabies virus/isolation & purification , South Africa
2.
J S Afr Vet Assoc ; 87(1): e1-2, 2016 Jul 15.
Article in English | MEDLINE | ID: mdl-27543040

ABSTRACT

Although significant animal suffering caused by preventable diseases is frequently seen in developing countries, reports of this are scarce. This report describes avoidable animal suffering owing to a suspected canine distemper (CD) outbreak in unvaccinated dogs owned by low-income families in Mozambique that killed approximately 200 animals. Affected dogs exhibited clinical signs, and gross and microscopic lesions compatible with CD. Immunohistochemical staining confirmed the presence of canine distemper virus (CDV) in the kidney of one dog from the cohort. This brief communication again illustrates that large outbreaks of CDV in unvaccinated dogs occur and that large-scale avoidable suffering and threats to the health of dogs and wild canines continue. Mass vaccination supported by government and non-government organisations is recommended.


Subject(s)
Disease Outbreaks/veterinary , Distemper/epidemiology , Viral Vaccines/administration & dosage , Animals , Distemper/economics , Dogs , Mozambique/epidemiology , Viral Vaccines/economics
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