EMT-2

reaction to stress that occurs during a stressful situation.

the spread of an organism in aerosol form.

Pathogenic microorganisms that are present in human blood and can cause disease in humans.  These pathogens include, but are not limited to, hepatitis B virus, and HIV.

the primary federal agency that conducts and supports public health activities in the US.  

a disease that spreads from one person or species to another.

prolonged or excessive stress

Inflamation of the liver, usually caused by a viral infection, that causes fever, loss of appetite, jaundice, fatigue, and altered liver function.