________ contracts may require that the copayment be paid at the time of the visit and may not allow providers to bill patients at a later time.

____________________ are the fundamental guides to prehospital care.

Fill in the blank(s) with the appropriate word(s).

All of the following are true of West Nile virus EXCEPT:

A. It was first isolated in Uganda. B. It causes mild febrile illness in about 20% of patients. C. It causes severe meningitis in less than 1% of patients. D. It is not known to cause fatalities.