WHO admits that everyone who receives a monkeypox vaccine will participate in a “clinical trial” to collect data on its effectiveness.
Tim Nguyen, head of global infectious hazard preparedness at WHO’s Emergencies Program, said the effectiveness of the vaccine is not yet known because it has never been used on such a scale before.
“I would like to emphasize one thing that is very important for the WHO. We have uncertainty about the effectiveness of these vaccines because they have not been used in this context and on this scale before,” Tim Nguyen said.
“And so when these vaccines are delivered, they are delivered in the context of clinical trials and prospective data collection to improve our understanding of the effectiveness of these vaccines,” he said.
According to the CDC, there are only two vaccines licensed by the FDA to “prevent monkeypox infection” – JYNNEOS (also known as Imvamune or Imvanex) and ACAM2000.
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