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Immune response to the 3rd dose booster with mRNA-1273 COVID-19 vaccine in individuals who had received 2 doses of CoronaVac or ChAdOx-1 COVID-19 vaccine

Recruiting
Conditions
Booster vaccination with mRNA 1273 COVID vaccine in individuals who had received either 2 doses of CoronaVac or ChAdOx-1 COVID vaccine.
mRNA COVID-19 vaccine, booster, CoronaVac, ChAdOx-1, immunogenicity
Registration Number
TCTR20211115003
Lead Sponsor
Thammasat University Hospital
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
100
Inclusion Criteria

A healthy adults aged 18 years and older who had received either 2 doses of CoronaVac or ChAdOx-1 COVID vaccine.

Exclusion Criteria

- Acute fever with body temperature above 38 degree Celsius on the day of vaccination.
- History of COVID-19 infection
- Get another vaccination no more than 2 weeks before enrollment.
- pregnant with a gestational age of less than 12 weeks

Study & Design

Study Type
Observational
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Immunogenicity 14 days after complete vaccination Anti-S-RBD antibody level and ELISpot,Reactogenicity 14 days after vaccination Diary card
Secondary Outcome Measures
NameTimeMethod
Persistent of immune response 3 months after complete vaccination Anti-S-RBD antibody level and ELISpot,Immunogenicity 3 months after complete vaccination Anti-S-RBD antibody level and ELISpot
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