A prospective cohort study of the cutaneous reactions after COVID-19 vaccination among Thai healthcare workers.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20210610003

Enrollment

10000

Registered

2021-06-10

Start date

2021-06-14

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

Healthcare workers who receive COVID-19 vaccine. COVID-19, vaccines, cutaneous reactions, skin manifestations, Sinovac, Astrazeneca

Interventions

Participants who receive COVID-19 vaccine will report side effects after vaccination.

Other

Participants who receive COVID-19 vaccine

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthcare workers in King Chulalongkorn Memorial Hospital (KCMH) who receive COVID-19 vaccine.

Exclusion criteria

Exclusion criteria: Participants who cannot provide the information about side effects after vaccination.

Design outcomes

Primary

Measure	Time frame
cutaneous manifestations 4 weeks after completed vaccination Questionnaire	—

Secondary

Measure	Time frame
Systemic side effects 4 weeks after completed vaccination Questionnaire	—

Countries

Thailand

Contacts

Public ContactPawinee Rerknimitr

Faculty of Medicine,Chulalongkorn University

pawineererk@yahoo.co.th022564253

Outcome results

None listed

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