Bacterial disease can be triggered by living in the respiratory tract by microorganisms in a combination favorable for the development of infection factors: hypothermia, reduced immune defense, the frequent recurrence of SARS. [medicalj-center.info]

Clinical findings include severe depression, hypothermia and muffling of heart sounds. Called also black disease. infectious pancreatic necrosis of fish a disease of salmonids caused by a group of related birnaviruses. [medical-dictionary.thefreedictionary.com]

Severity of the illness was assessed by a clinical croup score based on retractions, stridor, air entry, cyanosis, and level of consciousness. [ncbi.nlm.nih.gov]

Grade 4: severe dyspnea with increasing respiratory insufficiency, cyanosis, risk of asphyxia, bradycardia and somnolence. [karger.com]