• Two unrelated parvoviruses can infect dogs: CPV- 1 or the minute virus of canines, and CPV-2.
• Parvoviruses are non-enveloped particles of approximately 18-26 nm in diameter.
• CPV-2 is very closely related to feline panleucopenia virus (FPV) (see Chapter 2)
• But CPV-1 and CPV-2 only appear to infect members of the Canidae family.
• CPV-2 is extremely stable in the external environment (up to 5 months in faecal material under favourable conditions).
• CPV-1 and CPV-2 are resistant to most common disinfectants but are destroyed by formalin, glutaraldehyde and chlorine compounds.

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