CURRENTNATIONAL Covid-19: CanSino’s single dose booster vaccine approvedEditor Selangor JournalJune 30, 2022 by Editor Selangor JournalJune 30, 2022 KUALA LUMPUR, June 30 — The Health Ministry (MOH) has approved CanSino’s single-dose Convidecia vaccine to be used as a heterologous booster with all Covid-19...