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Sero-surveillance for SARS-CoV-2 infection among healthcare providers in four hospitals in Thailand one year after the first community outbreak.
Kittikraisak, Wanitchaya; Piyaraj, Phunlerd; Vachiraphan, Apichat; Wongrapee, Thanapat; Punjasamanvong, Somsak; Hunsawong, Taweewun; Sinthuwattanawibool, Chalinthorn; Leepiyasakulchai, Chaniya; Yoocharoen, Pornsak; Azziz-Baumgartner, Eduardo; Mott, Joshua A; Chottanapund, Suthat.
  • Kittikraisak W; Influenza Program, Thailand Ministry of Public Health - U.S. Centers for Disease Control and Prevention, Nonthaburi, Thailand.
  • Piyaraj P; Phramongkutklao College of Medicine, Bangkok, Thailand.
  • Vachiraphan A; Bamrasnaradura Infectious Diseases Institute, Nonthaburi, Thailand.
  • Wongrapee T; Phaholpolpayuhasena Hospital, Kanchanaburi, Thailand.
  • Punjasamanvong S; Rayong Hospital, Rayong, Thailand.
  • Hunsawong T; Virology Department, Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand.
  • Sinthuwattanawibool C; Influenza Program, Thailand Ministry of Public Health - U.S. Centers for Disease Control and Prevention, Nonthaburi, Thailand.
  • Leepiyasakulchai C; Faculty of Medical Technology, Mahidol University, Nakhon Pathom, Thailand.
  • Yoocharoen P; Department of Disease Control, Ministry of Public Health, Nonthaburi, Thailand.
  • Azziz-Baumgartner E; Influenza Division, U.S. Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America.
  • Mott JA; Influenza Program, Thailand Ministry of Public Health - U.S. Centers for Disease Control and Prevention, Nonthaburi, Thailand.
  • Chottanapund S; Influenza Division, U.S. Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America.
PLoS One ; 16(7): e0254563, 2021.
Article in English | MEDLINE | ID: covidwho-1309964
ABSTRACT

BACKGROUND:

Thailand was the first country outside China to report SARS-CoV-2 infected cases. Since the detection of the first imported case on January 12th, 2020 to the time this report was written, Thailand experienced two waves of community outbreaks (March-April 2020 and December 2020-March 2021). We examined prevalence of SARS-CoV-2 seropositivity among healthcare providers (HCPs) in four hospitals approximately one year after SARS-CoV-2 first detected in Thailand. By March 2021, these hospitals have treated a total of 709 coronavirus disease 2019 (COVID-19) patients.

METHODS:

Blood specimens, collected from COVID-19 unvaccinated HCPs during January-March 2021, were tested for the presence of SARS-CoV-2 immunoglobulin G (IgG) antibodies to nucleocapsid (IgG-nucleocapsid) and spike (IgG-spike) proteins using Euroimmune® enzyme-linked immunosorbent assays.

RESULTS:

Of 600 HCPs enrolled, 1 (0.2%) tested positive for the SARS-CoV-2 IgG-spike antibodies, but not the IgG-nucleocapsid.

CONCLUSION:

The presence of SARS-CoV-2 IgG antibodies was rare in this sample of HCPs, suggesting that this population remains susceptible to SARS-CoV-2 infection.
Subject(s)

Full text: Available Collection: International databases Database: MEDLINE Main subject: Health Personnel / Spike Glycoprotein, Coronavirus / Coronavirus Nucleocapsid Proteins / SARS-CoV-2 / COVID-19 / Antibodies, Viral Type of study: Cohort study / Diagnostic study / Observational study / Prognostic study Limits: Adult / Female / Humans / Male / Middle aged Country/Region as subject: Asia Language: English Journal: PLoS One Journal subject: Science / Medicine Year: 2021 Document Type: Article Affiliation country: Journal.pone.0254563

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Health Personnel / Spike Glycoprotein, Coronavirus / Coronavirus Nucleocapsid Proteins / SARS-CoV-2 / COVID-19 / Antibodies, Viral Type of study: Cohort study / Diagnostic study / Observational study / Prognostic study Limits: Adult / Female / Humans / Male / Middle aged Country/Region as subject: Asia Language: English Journal: PLoS One Journal subject: Science / Medicine Year: 2021 Document Type: Article Affiliation country: Journal.pone.0254563