What causes the most frequent symptom experienced by someone infected with S.pneumoniae? A) Macrophage infiltration B) Mucus obstruction C) Fibrosis D) Edema

Why can’t dogs catch the measles?

As an illustration, a patient undergoing a laparoscopic-assisted vaginal hysterectomy (LAVH) procedure under general anesthesia might be happier not to know the numbers of portals of entry for potential transmission of pathogenic microbes to which she will be subjected. The anesthesia provider would be accessing the patients airway and vascular system by an IV line. Which portals of entry will the surgeon be accessing?