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→Transmission and Epidemiology
Young dogs are most most commonly infected with canine adenovirus 1, but disease is uncommon where vaccination is practiced. Wild and captive foxes may contract the virus leading to fox encephalitis, and wolves, coyotes and bears can also become clinically infected. Subclinical infections can arise in other carnivores.
Young dogs are most most commonly infected with canine adenovirus 1, but disease is uncommon where vaccination is practiced. Wild and captive foxes may contract the virus leading to fox encephalitis, and wolves, coyotes and bears can also become clinically infected. Subclinical infections can arise in other carnivores.
==Transmission and Epidemiology==
==Transmission==
CAV-1 infection occurs by inhalation and ingestion, after shedding in the urine, faecs or respiratory secretions. Transmission my be by direct contact, or by indirect contact and fomites such as handlers or infected surfaces. Following infection, the virus initially replicates in the tonsils and Peyer's patches. A viraemia is produced, and CAV-1 secondarily localises and replicates in the liver and kidneys.
CAV-1 infection occurs by inhalation and ingestion, after shedding in the urine, faecs or respiratory secretions. Transmission my be by direct contact, or by indirect contact and fomites such as handlers or infected surfaces. Following infection, the virus initially replicates in the tonsils and Peyer's patches. A viraemia is produced, and CAV-1 secondarily localises and replicates in the liver and kidneys.
Canine adenovirus 1 is resistant to environmental inactivation, and can survive for days on fomites at room temperature. Inactivation requires the use of phenol, sodium hydroxide or iodine based disinfectants, or steam cleaning.
==Clinical Features==
==Clinical Features==