In August 2020, WestVac Biopharma started phase I clinical trials with 168 participants in China.[2]
In November, WestVac Biopharma started phase II clinical trials with 960 participants in China[3] In February 2021, WestVac Biopharma started phase IIb clinical trials with 4,000 participants in China. Later, WestVac Biopharma is no longer on phase IIb clinical trial.[4]
In June 2021, WestVac Biopharma started phase III trials with 40,000 participants including Indonesia, Kenya, and the Philippines.[5]
Children and adolescents trials
In August 2021 WestVac Biopharma started phase I/II trials with 600 participants for children and adolescents aged 6-17.[6]