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Placebo in new Covid-19 vaccine trials: data quality prioritised over participants' rights.

The WHO Ad Hoc Expert Group on the Next Steps for Covid-19 Vaccine Evaluation makes recommendations on the use of placebo controlled trials in ongoing and future Covid-19 vaccine research. These recommendations unequivocally prioritise data quality over participants' rights and safety. Participants in trials of vaccines which have received emergency use listing or authorisation would be refused available vaccines. Placebo-controlled trials that would be impossible to conduct in rich countries would be permitted in poor countries. If these suggestions are implemented, the major beneficiary will be the vaccine industry.