单词	seroprevalence
释义	seroprevalence noun se·​ro·​prev·​a·​lence ˌsir-ō-ˈpre-və-lən(t)s  -ˈprev-lən(t)s : the frequency of individuals in a population who have a particular element and especially antibodies to an infectious agent in their blood serum Cases of the illness increased 9-fold in the US between 2000 and 2008, and the national seroprevalence is estimated to be 3.1%. The Journal of the American Medical Association Example Sentences Recent Examples on the Web The California pediatric coronavirus seroprevalence rate is lower than the national average at 71.4%. Rita Beamish, San Francisco Chronicle, 16 Aug. 2022 Researchers found more of an increase in seroprevalence in age groups with the lowest vaccination rate, Clarke said. Margaret Osborne, Smithsonian Magazine, 27 Apr. 2022 This is the first time that the population seroprevalence is over 50%. Andrew Joseph And Elizabeth Cooney, STAT, 29 Apr. 2022 By comparison, adults 18 to 49 saw seroprevalence rise from 36.5 percent to 64 percent. Beth Mole, Ars Technica, 26 Apr. 2022 In adolescents 12 to 17 years old, seroprevalence increased from 45.6% to 74.2%. Alexander Tin, CBS News, 26 Apr. 2022 Last December, just as the Omicron variant began spreading, seroprevalence—the percentage of the population that had antibodies—was at 34 percent of all Americans and about 45 percent of kids under 17. Margaret Osborne, Smithsonian Magazine, 27 Apr. 2022 The data do not include seroprevalence by race and ethnicity. Andrew Joseph And Elizabeth Cooney, STAT, 29 Apr. 2022 The 50 to 64 group had seroprevalence rates go from 29 percent to 50 percent. Beth Mole, Ars Technica, 26 Apr. 2022 See More Word History Etymology sero- + prevalence First Known Use 1977, in the meaning defined above Medical Definition seroprevalence noun se·​ro·​prev·​a·​lence -ˈprev(-ə)-lən(t)s  : the frequency of individuals in a population who have a particular element and especially antibodies to an infectious agent in their blood serum In areas endemic for Lyme borreliosis, unrelated positive results may also represent seroprevalence, which stems mostly from earlier asymptomatic infection … Robert R. Müllegger and Martin Glatz, American Journal of Dermatology
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