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Seroprevalence, Incidence and Immunological Responses to SARS-CoV-2 Infection among Frontline Healthcare Workers compare with Non-COVID-19 HCWs during the COVID-19 Pandemic at Siriraj Hospital, Bangkok

Seroprevalence, Incidence and Immunological Responses to SARS-CoV-2 Infection among Frontline Healthcare Workers compare with Non-COVID-19 HCWs during the COVID-19 Pandemic at Siriraj Hospital, Bangkok

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20210719002
Enrollment
360
Registered
2021-07-19
Start date
2020-05-18
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy voluteers healthcare worker

Interventions

healthcare workers who have working in COVID-19 wards or exposed to suspected COVID-19 patients ,Healthcare workers who have not working in COVID-19 wards or with suspected COVID-19
Health Services Research,Health Services Research
Frontline healthcare worker,Non-frontline healthcare worker

Sponsors

Faculty of Medicine Siriraj Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: -Capable of informed consent and provision of written informed consent before any study procedures -Capable of attending all study visits according to the study schedule -Males or females between the ages of 18 and 65 years of age (inclusive) -Are in good health, as determined by medical history and targeted physical exam related to this history? -Working in wards or departments related to COVID-19 patients or in another wards not related to COVID-19 patients

Exclusion criteria

Exclusion criteria: -Capable of informed consent and provision of written informed consent before any study procedures -Capable of attending all study visits according to the study schedule -Males or females between the ages of 18 and 65 years of age (inclusive) -Are in good health, as determined by medical history and targeted physical exam related to this history? -Working in wards or departments related to COVID-19 patients or in another 2 wards not related to COVID-19 patients -Capable of informed consent and provision of written informed consent before any study procedures

Design outcomes

Primary

MeasureTime frame
Seroprevalence 58 weeks Proportion of seropositivity

Secondary

MeasureTime frame
Incidence of new COVID-19 infection 58 weeks Proportion of seroconversion

Countries

Thailand

Contacts

Public ContactNasikarn Angkasekwinai

Mahidol University

nasikarn.ang@mahidol.ac.th0818708766

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026