opportunistic infection

noun

Any infection that causes disease and occurs only when the host's immune system is impaired.

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Meanings

nounopportunistic infection (countable and uncountable, plural opportunistic infections)

plural opportunistic infections

  1. countableuncountablemedicineAny infection that causes disease and occurs only when the host's immune system is impaired.
Cite this entry
APA

opportunistic infection. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/opportunistic%20infection

MLA

“opportunistic infection.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/opportunistic%20infection. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “opportunistic infection,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/opportunistic%20infection.

Source: opportunistic infection on Wiktionary, CC BY-SA 4.0.