Business News Two doses of Sinopharm’s jab have nearly 73% efficacy: Study This is slightly better than the 72.5 per cent rate announced in a company statement in February. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related 200 Chinese visitors to receive Sinopharm jab in Dubai today Look: Stunning Sheikh Zayed portrait pops up in middle of UAE desert