1.
Zhonghua Liu Xing Bing Xue Za Zhi
; 42(8): 1371-1375, 2021 Aug 10.
Article
in Chinese
| MEDLINE | ID: covidwho-1468526
ABSTRACT
Human challenge trial (HCT) is a test in which human volunteers are intentionally infected with pathogens in order to evaluate the efficacy of candidate preventive or therapeutic drugs. During the COVID-19 pandemic, the HCT of vaccines has aroused people's attention due to its significant advantages over clinical trial. This paper introduces the concept, development and application of HCT, the advantages and limitations of HCT for vaccine evaluation, and the consideration of future HCT of COVID-19 vaccine in China.