What kind of COVID-19 tests are available? What are antigens and antibodies? What about the accuracy of these tests? WHO’s Dr Hanan Balkhy explains COVID-19 tests in Science in 5.
Learn what scientists look for in the different phases of a clinical trial for a vaccine. What does it mean when a vaccine trial is halted due to an adverse event? WHO’s Dr Kate O’Brien explains.
Science in 5 is WHO’s series in which WHO experts explain the science about specific issues related to COVID-19. Watch these short videos on WHO’s YouTube, Instagram, Facebook, Twitter, and LinkedIn accounts or listen to the podcasts.
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