SARS true are -: (A) Severe acute respiratory syndrome, (B) Documented respiratory route spread, (C) Effective vaccine available, (D) Cause atypical pneumonitis
Answer is A. The pathophysiology of acute respiratory distress syndrome involves fluid accumulation in the lungs not explained by hea failure (noncardiogenic pulmonary edema). Of these, the pathology most associated with ARDS is DAD, which is characterized by a diffuse inflammation of lung tissue. Ref Harrison20th edition pg 1059