The spread of infectious diseases between individuals is called?

• A. Transmission of Disease
• B. Disease Transmission
• C. Epidemic Spread
• D. Cross Infection

Answer: (B)

The idea being tested is the term for how infections move from one person to another. The standard way to describe this is disease transmission—the process by which a pathogen passes from an infected host to a susceptible one, through routes like direct contact, droplets, airborne spread, vectors, or contaminated surfaces.

This phrasing is preferred because it’s the conventional, general term used in epidemiology and clinical practice to describe how infections spread between people. Saying “transmission of disease” is understandable but less common as a fixed term. “Epidemic spread” refers to the scale and propagation of an outbreak rather than the mechanism of transfer between individuals. “Cross infection” is a more specific infection-control term that often implies transfer from one patient to another in a healthcare setting and isn’t as broad as the general concept of transmission.