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Publication Years
Category
3826
678
567
566
563
185
110
3
Toolboxes
1038
943
568
551
507
448
397
318
309
277
264
224
212
205
159
154
153
129
107
104
83
67
64
45
42
2
1
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The conduct of COVID-19 vaccine trials in the context of a candidate vaccine being issued with Emergency Use Designation raises challenging ethical questions, including in relation to the use of placebo controls and unblinding of trial participants in current and future COVID-19 vaccine trials. This ... more
doi: https://doi.org/10.1101/2020.10.28.20221143 This article is a preprint and has not been peer-reviewed [what does this mean?]. It reports new medical research that has yet to be evaluated and so should not be used to guide clinical practice.
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WHO's 'Vaccine Explained' series features illustrated articles on vaccine development and distribution. Learn more about vaccines from the earliest of research stages to their rollout in countries. Availble in different languages
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