Malaria may be prevented by

The most common causative agent of urinary tract infections

The most common reported STD in the United States is

This opportunist is the most frequent cause of life-threatening pneumonia in AIDS patients:

Most cases of septicemia are caused by

Cholera symptoms are

The most common causative agent of otitis media is

The common causative agent of acute endocarditis is

Rabbits and other rodents are the reservoirs of the causative agent of

Normal biota of the upper respiratory tract include