Avian Influenza Flashcards
The eggs produced in LPAI infected flock can be hatched
T
The HPAI infection can be unambiguously differentiated from Newcastle disease by the clinical signs
F
The HPAI strains can cause clinical signs in waterfowl
F
In poultry farms LPAI may be endemic without clinical signs
T
Waterfowl can carry the influenza viruses for long time
T
Influenza viruses are shed by birds exclusively in the nasal discharge
F
Avian influenza is zoonotic
T
The virulence of avian influenza is determined by the i.v. pathogeny index and mortality
T
Avian influenza can switch directly to human and cause epidemics with high case numbers as result of human to human transmission
F
Avian influenza of high economic impact is caused by HPAI strains
T
In birds all influenza variants can be detected
T
Avian influenza virus is primarily spread through bronchial discharge and aerogenic route
F
Avian influenza spread by bronchial discharge
T
(By direct contact, saliva, faeces)