HKUMed on COVID-19
Combination of mRNA and Inactivated COVID-19 Vaccines, an Open-Label Randomised Controlled Trial | 接種mRNA和滅活的 COVID -19疫苗的混合組合,一項開放標籤的隨機對照試驗

Combination of mRNA (Comiranty) and inactivated (CoronaVac) COVID-19 vaccination might improve the vaccine immunogenicity and safety when compare to vaccination with two doses of the same type of vaccine.

This study by HKU Department of Medicine targets to recruit 150 adult subjects 18 years or above and randomise to receive a single dose of of Comirnaty followed by a single dose of CoronaVac, or two doses of Comirnaty or two doses of CoronaVac. Subjects will be follow-up and assessed for a total of 1 year for vaccine immunogenicity and safety.



Enquiries | 聯絡研究團隊

If you have any further question about this study, please contact study nurse Miss Deborah Ho at HKU Department of Medicine:


+852 6067 1500