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Infecting volunteers may speed up coronavirus vaccine studies: WHO
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Deliberately infecting healthy volunteers with the virus that causes Covid-19 may speed studies of vaccines against the deadly pathogen, the World Health Organization said.
Such studies, which pose significant potential dangers to subjects, may be considered in dire situations and with certain disclosures and protections, a working group of the WHO said in a report posted on its website.
Controlled human infection studies (or “human challenge studies") involve the deliberate infection of healthy volunteers. "Such studies can be particularly valuable for testing vaccine.
They can be substantially faster to conduct than vaccine field trials, in part because far fewer participants need to be exposed to experimental vaccines in order to
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