Zoonotic Infections

 

 

1.            Zoonoses are diseases acquired from animals which are reservoirs of infection.

 

 

2.            Classification of Zoonoses

 

 

Family

Virus

Genome

Virion particle

Disease

Rhabdovirus

Rabies

Single-strand linear, -ve polarity RNA

Bullet-shaped, enveloped

Neurological: convulsions, paralysis

Filovirus

Marburg

Ebola

Single-strand linear, -ve polarity RNA

Long, branching filamentous particles

Severe febrile illness with haemorrhagic manifestations

Arenavirus

Lassa fever

Tacaribe complex

 

 

 

Lymphocytic

choriomeningitis

Single-strand circular, 2 segments, -ve polarity RNA

Medium-sized, 110nm enveloped particles

Febrile disease

Severe disease with haemorrhagic, renal & CVS syndromes

Aseptic meningitis

Bunyavirus

Hantavirus

Single-strand circular,3 segments, 0ve polarity RNA

Enveloped, 90-100nm

Haemorrhagic fever with renal syndrome

Hanta pulmonary syndrome

 

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