is an infection in the upper part of the respiratory system, which is the system in the body that supports breathing.
is an infectious and sometimes fatal disease that affects the lungs.
is an infection in any part of the urinary system, which is the system of the body that collects and excretes liquid waste.
is any number of diseases that are transmitted through human sexual behaviors.
is the sudden death of an infant that has no known medical history or cause.
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