Dr. Rafael Araos, an advisor to Chilean Undersecretariat of Public Health, releases updated study on CoronaVac vaccine developed by Chinese pharmaceutical firm Sinovac at a press conference in Santiago, Chile, on May 17, 2021. An updated study showed that the CoronaVac vaccine developed by Chinese pharmaceutical firm Sinovac is 65.3 percent efficacious in preventing COVID-19, Chile's Health Ministry said on Monday. The vaccine's efficacy in preventing hospitalization rose to 87 percent; in preventing admission to an intensive care unit (ICU), to 90.3 percent; and in preventing deaths caused by COVID-19, to 86 percent, according to Dr. Rafael Araos, an advisor to Chilean Undersecretariat of Public Health. (Chilean Health Ministry/Handout via Xinhua)
