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.
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