Article 4Surveillance programmes
1.Member States shall carry out surveillance programmes in order to:
(a)detect the prevalence of infections with avian influenza virus subtypes H5 and H7 in different species of poultry;
(b)contribute, on the basis of a regularly updated risk assessment, to the knowledge on the threats posed by wild birds in relation to any influenza virus of avian origin in birds.
2.The surveillance programmes referred to in paragraph 1(a) shall comply with guidelines to be drawn up by the Commission in accordance with the procedure referred to in Article 64(2).