Novel vaccines for use in the prevention and treatment of H. somnus infections are disclosed. The vaccines contain epitopes from LppA, LppB, LppC or combinations thereof. Also disclosed are the nucleotide sequences encoding these lipoproteins, vectors including these sequences, and host cells transformed...http://www.google.co.uk/patents/US6100066?utm_source=gb-gplus-sharePatent US6100066 - Nucleic acid molecules encoding Haemophilus somnus proteins
