单词	seronegative
释义	seronegative adjective se·​ro·​neg·​a·​tive ˌsir-ō-ˈne-gə-tiv  : having or being a negative serum reaction especially in a test for the presence of an antibody seronegativity ˌsir-ō-ˌne-gə-ˈti-və-tē  noun Example Sentences Recent Examples on the Web Before the fourth booster, all the seronegative participants had geometric mean titers (GMT) of omicron neutralizing antibodies at around 300. Beth Mole, Ars Technica, 8 June 2022 For example, as described by a publication in EClinical Medicine 5% of 698 people in Israel remained seronegative despite having tested positive for the Covid-19 coronavirus. Bruce Y. Lee, Forbes, 5 Sep. 2021 There was other evidence the antibody cocktail helped these seronegative patients. 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 In the Regeneron data, the most dramatic drops in SARS-CoV-2 were seen in seronegative patients who had the highest levels of virus at the trial’s start. Jon Cohen, Science | AAAS, 30 Sep. 2020 For patients given a placebo, the seropositive group had a median time to alleviation of symptoms of 7 days, compared to 13 days for seronegative patients. NBC News, 29 Sep. 2020 See More Word History Etymology sero- + negative entry 1 First Known Use 1927, in the meaning defined above Medical Definition seronegative adjective se·​ro·​neg·​a·​tive -ˈneg-ə-tiv  : having or being a negative serum reaction especially in a test for the presence of an antibody early seronegative syphilis a seronegative patient
随便看	helping verb helping verbs helpings helpless helplesslier helplessliest helplessly helplessness helplessnesses helplines helpmate helpmates helpmeet helpmeets camber angle camber arch camber beam camber piece camber slip camber-keeled cambered cambering cambers Camberwell Camberwell beauty

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