Which statement correctly describes disease transmission?

• A. The process by which infections are acquired
• B. The rate of recovery from infection
• C. The body's immune response to pathogens
• D. The genetic mutation of pathogens

Answer: (A)

Disease transmission is about how infections spread from one source to another, leading to new infections. The statement that best describes it is the process by which infections are acquired—how a person becomes infected through routes like droplets from coughing, contaminated hands or surfaces, food or water, or bites from a vector. This concept helps explain why certain prevention steps—like hand hygiene, masks, safe food handling, vaccination, and isolation—can reduce spread.

The other ideas describe different aspects: the rate of recovery concerns prognosis and how long someone might be ill, not how the disease spreads; the body's immune response is about how our defenses fight pathogens, not the spread itself; and genetic mutation of pathogens refers to how the organisms change over time, which can influence virulence or resistance, but it’s not the act of transmission.