postinfectious
adjective
post·in·fec·tious
ˌpōst-in-ˈfek-shəs 
: occurring after and especially as a result of an infection
postinfectious encephalitis
a postinfectious cough
Examples of postinfectious in a Sentence
Recent Examples on the Web
Because postinfectious cough is so common, doctors have long worked to determine how many people have a cough that persists after their other symptoms go away.
—
The Conversation, Fortune, 13 Feb. 2023
There are precedents for this kind of postinfectious, noncritical illness, such as posttreatment Lyme disease.
—Jennifer Couzin-Frankel, Science | AAAS, 13 Apr. 2021
In other words, long Covid may simply be the latest example of a postinfectious phenomenon that has mystified physicians for more than a century.
—New York Times, 21 Jan. 2021
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The Conversation, Fortune, 13 Feb. 2023
There are precedents for this kind of postinfectious, noncritical illness, such as posttreatment Lyme disease.
—Jennifer Couzin-Frankel, Science | AAAS, 13 Apr. 2021
In other words, long Covid may simply be the latest example of a postinfectious phenomenon that has mystified physicians for more than a century.
—New York Times, 21 Jan. 2021
Cite this Entry
“Postinfectious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/postinfectious. Accessed 22 Jul. 2025.
Copy CitationMedical Definition
postinfectious
adjective
post·in·fec·tious
-in-ˈfek-shəs
variants
or post-infectious
: relating to or occurring in the period following infection : caused by a previous infection
postinfectious syndromes
Estimates of the annual incidence of idiopathic or postinfectious transverse myelitis range from 1.3 to 8 cases per million.—Elliot M. Frohman et al.
Elliot M. Frohman et al.Love words? Need even more definitions?
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