The infected dog is typically spreading
the virus during the incubation period (day 2 - 4) before they become symptomatic around day 5.
Not exact matches
But
during this
incubation window the
virus silently replicates in the body.
«Furthermore, if the intervention providing personal protection has killing capabilities such as walls sprayed, or nets treated with insecticides, the chances of mosquito survival to an age at which a previously - ingested parasite is infective, or a
virus has reached a sufficient level of viremia to be transmissible, becomes yet slimmer because mosquitoes typically feed every 2 to 3 days, making at least one encounter with a protected person highly probable
during the pathogen's
incubation period.
This is done to rule out possible negative results obtained
during incubation of the FeLV
virus.
Interestingly dogs are most contagious
during this
incubation period (the time from exposure to the development of clinical signs); furthermore they can continue to shed the
virus for up to 10 days after onset of clinical illness.