Serologic responses of 42 MERS-coronavirus-infected patients according to the disease severity

Jae Hoon Ko, Marcel A. Müller, Hyeri Seok, Ga Eun Park, Ji Yeon Lee, Sun Young Cho, Young Eun Ha, Jin Yang Baek, So Hyun Kim, Ji Man Kang, Yae Jean Kim, Ik Joon Jo, Chi Ryang Chung, Myong Joon Hahn, Christian Drosten, Cheol In Kang, Doo Ryeon Chung, Jae Hoon Song, Eun Suk Kang, Kyong Ran Peck

Research output: Contribution to journalArticlepeer-review

69 Scopus citations

Abstract

We evaluated serologic response of 42 Middle East respiratory syndrome coronavirus (MERS-CoV)-infected patients according to 4 severity groups: asymptomatic infection (Group 0), symptomatic infection without pneumonia (Group 1), pneumonia without respiratory failure (Group 2), and pneumonia progressing to respiratory failure (Group 3). None of the Group 0 patients showed seroconversion, while the seroconversion rate gradually increased with increasing disease severity (0.0%, 60.0%, 93.8%, and 100% in Group 0, 1, 2, 3, respectively; P = 0.001). Group 3 patients showed delayed increment of antibody titers during the fourth week, while Group 2 patients showed robust increment of antibody titer during the third week. Among patients having pneumonia, 75% of deceased patients did not show seroconversion by the third week, while 100% of the survived patients were seroconverted (P = 0.003).

Original languageEnglish
Pages (from-to)106-111
Number of pages6
JournalDiagnostic Microbiology and Infectious Disease
Volume89
Issue number2
DOIs
StatePublished - Oct 2017

Keywords

  • Antibody
  • Middle East respiratory syndrome coronavirus
  • Prognosis
  • Serologic response

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