What must be posted on a sign near the entry to the structure or area used for assembly?

The office address should be typewritten in the ________ of the envelope

A) upper-left corner B) salutation C) closing D) upper-right corner

Which of the following would be the more common route for nosocomial pathogens to be trans-mitted?

a. Directly patient to patient b. Fecal-oral route c. Aerosol route d. Via the health care worker