Core Insights - The Brazilian government has signed a contract to procure the first batch of 3.9 million doses of a dengue vaccine developed through collaboration between Brazil's Butantan Institute and China's WuXi Biologics [1] Group 1: Vaccine Procurement - The contract for the procurement of 3.9 million doses was signed on December 19 [1] - The vaccine is the world's first single-dose dengue vaccine [1] - The vaccine will be provided for free through Brazil's Unified Health System (SUS) starting in 2026 [1] Group 2: Development and Delivery - The vaccine was developed in coordination with the Brazilian Ministry of Health [1] - On the signing day, 300,000 doses were already packaged and ready for delivery to the Brazilian Ministry of Health [1]
巴西卫生部采购首批390万剂中巴合作单剂登革热疫苗