CURRENTGLOBAL Sinovac SA55 Covid-19 treatment enters Phase 2 trialsEditor Selangor JournalSeptember 12, 2023 by Editor Selangor JournalSeptember 12, 2023 BEIJING, Sept 11 — The Chinese biotech firm, Sinovac Biotech, said on Monday that it had started Phase 2 trial of its SA55 injection, which...