The part of BVDV in BRD as a Major pathogen has actually been controversial, but it appears to generally be able to inducing immunosuppression, which permits development of secondary bacterial or viral pneumonia. Therapy for acute BVDV infection is supportive and incorporates antimicrobials to prevent or handle bacterial pneumonia. .. https://bhv88643.oneworldwiki.com/5895680/article_under_review