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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The county estimates that nearly 80 percent of kids ages five to 17 were not vaccinated this season and that breakdown sounds familiar to Dr. Edmund Milder, a pediatric infectious disease specialist at Rady Children’s Hospital in San Diego. Paul Sisson, San Diego Union-Tribune, 6 Feb. 2025 The infectious disease specialist said the vaccine is most effective at preventing tuberculosis that is in other parts of the body outside of the lungs. Hannah Poukish, Sacramento Bee, 5 Feb. 2025 Should North Carolina residents be worried? Dr. David Weber, an infectious disease specialist at the UNC School of Medicine, and Dr. Nicholas Turner, an infectious disease specialist at Duke Health, say no. Evan Moore, Charlotte Observer, 30 Jan. 2025 In 2023, tuberculosis overtook COVID-19 as the most deadly infectious disease, with 1.25 million people who died from infections. Eduardo Cuevas, USA TODAY, 29 Jan. 2025 See all Example Sentences for infectious disease 

Word History

First Known Use

1600, in the meaning defined above

Time Traveler
The first known use of infectious disease was in 1600

Dictionary Entries Near infectious disease

Cite this Entry

“Infectious disease.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infectious%20disease. Accessed 14 Feb. 2025.

Kids Definition

infectious disease

noun
: a disease caused by the presence, growth, and increase in numbers of germs in the body

Medical Definition

infectious disease

noun
: a disease (as influenza, malaria, meningitis, rabies, or tetanus) caused by the entrance into the body of pathogenic agents or microorganisms (as bacteria, viruses, protozoans, or fungi) which grow and multiply there compare communicable disease, contagious disease
Last Updated: - Updated example sentences
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