Comparing to 3 other vaccines, SinoVac BioTech from China has the lowest effectiveness (50.38%), while the Moderna vaccine from the US has 94.1% effectiveness. Yet, the Hong Kong government purchases China's vaccine instead of America's.
#COVID19 #Vaccine #SinaVacBioTech #GoHKgraphics
#COVID19 #Vaccine #SinaVacBioTech #GoHKgraphics