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Effect of a hospital-wide campaign on COVID-19 vaccination uptake among healthcare workers in the context of raised concerns for life-threatening side effects

 Min Hyung Kim  ;  Nak-Hoon Son  ;  Yoon Soo Park  ;  Ju Hyun Lee  ;  Da Ae Kim  ;  Yong Chan Kim 
 PLOS ONE, Vol.16(10) : e0258236, 2021-10 
Journal Title
Issue Date
Adult ; COVID-19 / prevention & control* ; COVID-19 / virology ; COVID-19 Vaccines / administration & dosage* ; COVID-19 Vaccines / adverse effects ; Female ; Health Personnel / psychology* ; Health Policy ; Hospitals ; Humans ; Internet ; Male ; Middle Aged ; Republic of Korea ; SARS-CoV-2 / isolation & purification ; Surveys and Questionnaires ; Thrombocytopenia / etiology ; Thrombosis / etiology
Background: All healthcare workers (HCWs) in Yongin Severance Hospital were allocated to receive the ChAdOx1 nCov-19 vaccine according to national policy. A report of thrombosis and thrombocytopenia syndrome (TTS) associated with ChAdOx1 nCoV-19 led to hesitancy about receiving the second dose among HCWs who had received the first dose. Methods: From 7 to 14 May, 2021, we performed a survey to identify the factors associated with hesitancy about receiving the second vaccine dose among HCWs at the hospital who had received the first dose of the vaccine. Based on survey results, a hospital-wide campaign was implemented on 18 May 2021 to improve vaccine coverage. HCWs who completed the second dose completed a self-administered questionnaire to evaluate the effect of the campaign. Findings: Of 1,171 HCWs who had received the first dose of the vaccine, 71.5% completed the online survey, of whom 3.7% refused to take the second dose and 22.3% showed hesitancy. Hesitancy to receive a second dose was significantly associated with age under 30 years and concerns about TTS, and was less common among those who trusted effectiveness and safety of the vaccine. Among HCWs who received the first dose, 96.2% completed vaccination with the second dose between 27 May and 4 June, 2021. Of those who answered the questionnaire asked about the timing of their decision to receive the second dose, 57.1% reported that they were motivated by the hospital-wide campaign. Conclusion: A tailored intervention strategy based on a survey can improve COVID-19 vaccination uptake among HCWs.
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Min Hyung(김민형)
Kim, Yong Chan(김용찬)
Park, Yoon Soo(박윤수)
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