Lead Sponsor

Murdoch Childrens Research Institute

Collaborators

Age

18 - No limit years

Sex

ALL

Healthy Volunteers

Yes

•1. Have completed two doses of Sinopharm, AstraZeneca or Sputnik vaccines with the recommended schedule 6 months prior to the date of enrolment
•2. Willing and able to give written informed consent
•3. Aged 18 years or above
•4. Willing to complete the follow-up requirements of the study

•1. Received 3 doses of COVID-19 vaccine
•2. Received 2 doses of COVID-19 less than 6 months prior to the start of the trial
•3. Currently on immunosuppressive medication or anti-cancer chemotherapy
•4. HIV infection
•5. Congenital immune deficiency syndrome
•6. Has received immunoglobulin or other blood products in the 3 months prior to vaccination
•7. Study staff and their relatives
•8. Have a history of a severe allergic reaction to any COVID-19 vaccines or have a medical exception to receiving further COVID-19 vaccines

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