Adenoviridae
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Introduction
Adenoviruses are so named for the tissue from which they were first recovered: human adenoid tissue. Since then they have been found in most species and are generally harmless.
Morphology
- Stable, non-enveloped, resistant
- Icosahedral virus:
- Capsomeres at apices (12) carry a peripheral fiber with a terminal knob
- Capsomeres on facets (240) do not
Virus by Species
Bovine adenovirus
Equine Adenovirus
- Rarely causes primary disease
- Exception: immune-compromised Arab foals (showing both B/T cell deficiencies), causing necrotising bronchiolitis