SVA [SINOVAC BIOTECH] 6-K: Sinovac COVID-19 Vaccine Collaboration with Butantan Receives Approval
[Sinovac COVID-19 Vaccine Collaboration with Butantan Receives Approval from Brazilian Regulator for Phase III Trial Beijing-July 6, 2020 — Sinovac Biotech Ltd. ( “Sinovac” or the “ Company”)(Nasdaq: SVA), a leading provider of biopharmaceutical products in China, today announced an update to its pre]