Moreover, it may be necessary to investigate the spread to non-target animal species which could be highly susceptible to a live vaccine strain.
Ina theannta sin, b’fhéidir gur gá imscrúdú a dhéanamh ar leathadh chuig speiceas ainmhithe nach sprioc iad a d’fhéadfadh a bheith thar a bheith soghabhálach do chineál vacsaíne beo.