Share this on Twitter Share this on Facebook Share this on LinkedIn Share this on Sina Weibo Share this on Wechat Share this on LinkedIn Credit: RF._.studio on Pexels Scientists around the world are racing to develop Covid-19 vaccines on an accelerated timeline. Eight Covid-19 vaccines are now in Phase III clinical trials — the last phase of testing new medicines before they go to regulatory review — and half of them are made by Chinese companies. This week we examine the five Chinese companies that have made the most progress on a coronavirus vaccine, including their owners and vaccine timelines. Four Chinese Companies Have Covid-19 Vaccines in Phase III Clinical Trials Vaccines, like all new medicines, go through several phases of trials before they can be approved as safe for use by the general public. First, the vaccines are developed in a lab and tested on non-human species such as mice or monkeys. Next, they go through small-scale Phase I and II trials, where they are tested on hundreds of people. Phase III trials test the vaccines on thousands of people to determine their effectiveness and safety. Covid-19 VaSubscribe or login to read the rest. Subscribers get full access to: Exclusive longform investigative journalism, Q&As, news and analysis, and data on Chinese business elites and corporations. We publish China scoops you won't find anywhere else. A weekly curated reading list on China from David Barboza, Pulitzer Prize-winning former Shanghai correspondent for The New York Times. A daily roundup of China finance, business and economics headlines. We offer discounts for groups, institutions and students. Go to our Subscriptions page for details.