The most common type of allergy is _____.

More than 75% of U.S. healthcare dollars go to treatment of _____ diseases instead of prevention, even though prevention would yield a significant reduction in healthcare costs.

The human papillomavirus is linked to _____ cancer.

Scleroderma is four times more common in men than in women.

Allergy shots induce the production of _____ in the blood, which coats the allergen and blocks it from binding to IgE in the tissues.

_____ is the number of cases of a disease in a population.

An example of a _____ is rheumatic fever causing permanent damage to the heart.

The _____ is the chief epidemiologic institution in the United States.

Symptoms are evidence of disease, observed on physical examination.

Bacteria that have spherical (round) shapes are called _____.