Division 2 The national reference laboratories shall submit isolates of influenza virus of avian origin to the Community reference laboratory without delay for full characterisation:

from all primary outbreaks of avian influenza;

in case of secondary outbreaks, from representative number of outbreaks;

in case of detection of influenza viruses other than those referred to in Annex I(1) in poultry, other captive birds or mammals posing a serious threat to health.