seropositive

adjective

se·​ro·​pos·​i·​tive ˌsir-ō-ˈpä-zə-tiv How to pronounce seropositive (audio)
-ˈpäz-tiv
: having or being a positive serum reaction especially in a test for the presence of an antibody
seropositivity noun

Examples of seropositive in a Sentence

Recent Examples on the Web Luckily, research has consistently indicated that blood donor recipients from seropositive donors are rarely infected with Chagas disease (f)(g)(h). Rebecca Kreston, Discover Magazine, 4 Apr. 2011 Human exposure to herpesvirus B-seropositive macaques, Bali, Indonesia. Rebecca Kreston, Discover Magazine, 17 Feb. 2014 About a third became newly seropositive since December 2021, when omicron became predominant in the U.S. Byjennifer Henderson | Medpage Today, ABC News, 11 May 2022 Because the research team was only able to document cases in which people were symptomatic and were seropositive for the virus, Ranney agreed that results may be an underestimate. Washington Post, 19 Aug. 2021 But in the seropositive patients, there was no benefit from the antibody cocktail. Matthew Herper, STAT, 17 June 2021 The second dose brought a boost in antibodies for the seronegative group compared to the seropositive group. Chris Smith, BGR, 11 Mar. 2021 Posters of his handsome face went up around Paris, transforming him into a symbol of the intense suffering of seropositive men and women at the time. Dana Snitzky, Longreads, 10 Aug. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'seropositive.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

sero- + positive entry 1

First Known Use

circa 1930, in the meaning defined above

Time Traveler
The first known use of seropositive was circa 1930

Dictionary Entries Near seropositive

Cite this Entry

“Seropositive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seropositive. Accessed 22 May. 2024.

Medical Definition

seropositive

adjective
se·​ro·​pos·​i·​tive -ˈpäz-ət-iv, -ˈpäz-tiv How to pronounce seropositive (audio)
: having or being a positive serum reaction especially in a test for the presence of an antibody
a seropositive donor
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