Pathogen

Prokaroyte

unicellular organism that lacks a nucleus

Pandemic

an epidemic that is geographically widespread

Heterotroph

an organism that cannot make its own food

Treatment

care by procedures or applications that are intended to relieve illness

Multi-cellular

consisting of many cells

Active Virus

viruses that enter cells and immediately begin to multiply and then attack the cells

Inactive Virus

viruses that stay dormant till a certain point and then attack the cells

Direct

A disease caught from the carrier

Indirect

A disease not caught from the carrier but from an object

Non-infectious

Diseases that cannot be spread

Antibiotic

a chemical substance derivable from a mold or bacterium that kills microorganisms and cures infections

Carrier

a person who has some pathogen and who can pass it on to others

Epidemic

a widespread outbreak of an infectious disease

Parasite

an organism that lives in or on another organism; one who lives off another person

Autotroph

an organism that makes its own food

Eukaryote

an organism with cells characteristic of all life forms except primitive microorganisms such as bacteria

Vector

any agent (person or animal or microorganism) that carries and transmits a disease

Pathogen

any disease-producing agent (especially a virus or bacterium or other microorganism)

Infectious

caused by infection or capable of causing infection

Unicellular

having or consisting of a single cell

Prevention

practicing health and safety habits to remain free of disease

Vaccine

substance prepared from killed or weakened pathogens and introduced into a body to produce immunity