Viral infection of the respiratory system.

Common viral infection that spreads through kissing or by sharing certain objects; also known as the kissing disease

Bacterial or viral infection that affects the tonsils.

Viral or bacterial infection that causes inflammation of part of the eye; also known as pinkeye.

Bacteria are multi-celled, plant-like microorganisms that thrive in damp, warm environments.

The movement of a pathogen to a susceptible person through a source that acts only as a disease carrier.

Which of the following are flu symptoms?

Viruses must be inside another living organism to thrive.

Improper hand washing and heredity are risk factors for noncommunicable diseases.

Refrigerating and freezing certain foods is an example of a food sanitation practice.

When should you wash your hands?

Respiratory etiquette helps prevent the spread of communicable diseases through droplets in the air.

What would cause someone with arthritis to move slowly and stiffly?