Spread of the vaccine strain from vaccinated to unvaccinated target animals shall be investigated, using the recommended route of administration most likely to result in the spread.
Déanfar leathadh an chineáil vacsaíne ó ainmhithe atá vacsaínithe chuig ainmhithe nach bhfuil á n-imscrúdú, ag baint feidhme as an mbealach tabhartha is dóchúla a mbeadh mar thoradh air go scaipfí é.