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 |