seropositive

American  

[seer-oh-poz-i-tiv] / ˌsɪər oʊˈpɒz ɪ tɪv /

adjective

Medicine/Medical.

1. showing a significant level of serum antibodies, or other immunologic marker in the serum, indicating previous exposure to the infectious agent being tested.

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seropositive British  

/ ˌsɪərəʊˈpɔzɪtɪv /

adjective

1. (of a person whose blood has been tested for a specific disease, such as AIDS) showing a serological reaction indicating the presence of the disease

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Etymology

Origin of seropositive

First recorded in 1930–35; sero- + positive

Example Sentences

A whopping 67% of study subjects were "seropositive" showing markers in their blood of a latent infection.

From Science Daily • Nov. 7, 2023

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.

From Washington Post • Sep. 1, 2021

A New York City study on the other hand showed 21% seropositive, so even if there has a 3% error rate, the majority of those positives have to be true positives.

From The Guardian • Apr. 28, 2020

One, conducted after an Ebola outbreak in Gabon in 1997, found that 71 percent of "seropositive" people - those with traces of the Ebola virus in their blood - did not have the disease.

From Reuters • Jan. 27, 2015

The other, published in April 2002, found 46 percent of asymptomatic close contacts of patients with Ebola were seropositive.

From Reuters • Jan. 27, 2015