A respiratory infection has you feverish, coughing and wheezing -- severely enough to put you in the hospital. You're placed in a private room, which is fine. As sick as you feel, you only vaguely ...

On the door of your hospital room is a card depicting a masked, gloved person. Or perhaps there is a sign bearing the words: Strict Isolation. Contact Precautions. Respiratory Precautions. What does ...