单词	asymptomatic
释义	asymptomatic adjective asymp·​tom·​at·​ic ˌā-ˌsim(p)-tə-ˈma-tik  : not causing, marked by, or presenting with signs or symptoms of infection, illness, or disease asymptomatic carriers of contagious disease Acute infection is usually asymptomatic, making early diagnosis difficult. Francis V. Chisari Because gonorrhea is often asymptomatic in women, it can progress painlessly until the result is pelvic inflammatory disease with its sequelae of infertility or ectopic pregnancy. Marsha F. Goldsmith Most patients with gallstones remain asymptomatic for many years and may, in fact, never develop symptoms. The Journal of the American Medical Association Many of the fecal samples positive for Giardia were from asymptomatic pets. Lawrence M. Fox asymptomatically ˌā-ˌsim(p)-tə-ˈma-ti-k(ə-)lē  adverb asymptomatically infected children The virus may be carried asymptomatically. Example Sentences Recent Examples on the Web People who had developed COVID-19 symptoms were more likely to test positive during this time, but even 21% of those who had asymptomatic infections continued to see two pink lines on their BinaxNow cards. Karen Kaplan, Los Angeles Times, 9 Aug. 2022 The sweeping restrictions came shortly after Jiangxia district authorities announced the discovery of four asymptomatic infections late on Tuesday. Nectar Gan, CNN, 27 July 2022 The researchers found the dogs to be especially good at detecting asymptomatic infections, with a sensitivity nearing 100 percent. Aria Bendix, NBC News, 2 June 2022 It also isn’t thought to be contagious during the incubation period, and asymptomatic infections haven’t been documented. Melina Walling, The Arizona Republic, 21 May 2022 That may be even higher now, as early reports have signaled a greater percentage of asymptomatic infections from omicron than from previous variants. Byjennifer Henderson | Medpage Today, ABC News, 11 May 2022 Cases in the financial hub exceeded 8,000 on Saturday including 7,788 asymptomatic infections. Fortune, 3 Apr. 2022 Shanghai, which is home to more than 1,600 financial instititutions, reported more than 4,500 local Covid cases and asymptomatic infections for Thursday, accounting for more than 60% of the nationwide tally. Bloomberg.com, 31 Mar. 2022 Authorities found 3,450 asymptomatic infections yesterday, which makes the city China’s largest covid hot spot at the moment. Jane Li, Quartz, 28 Mar. 2022 See More Word History First Known Use 1856, in the meaning defined above Medical Definition asymptomatic adjective asymp·​tom·​at·​ic ˌā-ˌsim(p)-tə-ˈmat-ik  : not causing, marked by, or presenting with signs or symptoms of infection, illness, or disease asymptomatic carriers of contagious disease Decisions regarding the discontinuation of anticoagulation in such patients remain clinically challenging, requiring physicians to weigh the risk of bleeding against the risk of a stroke from asymptomatic arrhythmia. Rodney H. Falk, The New England Journal of Medicine Acute infection is usually asymptomatic, making early diagnosis difficult. Francis V. Chisari, Nature However, 10% to 25% of patients with Barrett's esophagus are completely asymptomatic. Scientific American Medicine Bulletin Red blood cell transfusions for chronic stable anemia in the asymptomatic patient are not clinically beneficial and will unnecessarily increase the patient's risk for infection, immunization to blood antigens, or hemosiderosis. The Journal of the American Medical Association
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