Scores of coronavirus vaccines are in competition — how will scientists choose the best?
4 May, 2020Developers and funders are laying the groundwork for efficacy trials, but only a handful of vaccines are likely to make the cut.
Less than five months after the world first learnt about the new coronavirus causing fatal pneumonia in Wuhan, China, there are more than 90 vaccines for the virus at various stages of development, with more announced each week. At least six are already being tested for safety in people. Now, developers, funders and other stakeholders are laying the groundwork for their biggest challenge yet: determining which vaccines actually work.
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