What body systems attack polio specifically? How does it spreads from person to person?

What is the code and any required modifier(s) for dipstick urinalysis, non-automated, without microscopy performed in a physician office for a medicare patient?

Which of the following is not a symptom of chronic fatigue syndrome

In a search a driver needs to look in a of distances far away to near, as well as to the left, right and rear of the vehicle, making efficient use of both central and fringe vision. a) fast manner b) systematic manner c) slow manner d) aggressive