uk medicines and healthcare products regulatory agency will review the vaccines for the uk and the european medicines agency will review vaccines for european union usewhen will regulators decide regulators will review the vaccines after the companies have enough data to submit applications seeking an eua or formal approval pfizerbiontech will likely know how well its vaccine works as soon as this month while modernas first look at data is more likely to come next month astrazeneca could provide a look at latestage data in the next two months regulators for europe and canada are considering data on a rolling basis as it becomes available the uk and the us both expect speedy reviews of initial data for possible emergency use before more traditional lengthy reviews for formal commercial approvalscould these be the first approved coronavirus vaccines yes although china and russia are on a similar timeline china launched an emergency use program in july aimed at essential workers and others at high risk of infection that has vaccinated hundreds of thousands of people at least four vaccines are far along including from china national biotec group cnbg cansino biologics and sinovac sinovac and cnbg have said to expect early trial data as soon as november russias gamaleya institute has begun a 40000person latestage trial and is expected to have early data at the end of october or early november russia has also given the vaccine to at least hundreds of highrisk members of the general populationis us authorization up to president trump the fda must make sure that the benefits of a vaccine outweigh the risks before authorization since they are intended to be given to hundreds of millions of healthy people however the us department of health and human services hhs has the authority to override the fdas recommendation us president donald trump has complained about the new safety guidelines that would likely delay any vaccine availability until after the november 3 presidential election the trump administration can hire and fire hhs officials opening the possibility of political pressure to approve a vaccine