infectious disease
noun
: a disease (such as influenza, malaria, meningitis, rabies, or tetanus) caused by the entrance into the body of pathogenic agents or microorganisms (such as bacteria, viruses, protozoans, or fungi) which grow and multiply there compare communicable disease, contagious disease
Examples of infectious disease in a Sentence
Recent Examples on the Web
Previously, a doctor would consult an infectious disease specialist—a process that can take between 24 and 48 hours.
—
Andrew R. Chow, Time, 13 Feb. 2026
Because measles is what researchers call a high-consequence infectious disease, health-care professionals undertake a series of strict protocols to limit its spread.
—Elizabeth Bruenig, The Atlantic, 12 Feb. 2026
The outbreaks have mostly impacted children and have come as infectious disease experts warn that rising public distrust of vaccines generally may be contributing to the spread of a disease once declared eradicated by public health officials.
—Matt Brown, Fortune, 10 Feb. 2026
The outbreaks have mostly affected children and have come as infectious disease experts warn that rising public distrust of vaccines generally may be contributing to the spread of a disease once declared eradicated by public health officials.
—Arkansas Online, 9 Feb. 2026
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Andrew R. Chow, Time, 13 Feb. 2026
Because measles is what researchers call a high-consequence infectious disease, health-care professionals undertake a series of strict protocols to limit its spread.
—Elizabeth Bruenig, The Atlantic, 12 Feb. 2026
The outbreaks have mostly impacted children and have come as infectious disease experts warn that rising public distrust of vaccines generally may be contributing to the spread of a disease once declared eradicated by public health officials.
—Matt Brown, Fortune, 10 Feb. 2026
The outbreaks have mostly affected children and have come as infectious disease experts warn that rising public distrust of vaccines generally may be contributing to the spread of a disease once declared eradicated by public health officials.
—Arkansas Online, 9 Feb. 2026
See All Example Sentences for infectious disease
Cite this Entry
“Infectious disease.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infectious%20disease. Accessed 17 Feb. 2026.
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