A top World Health Organization (WHO) official conceded that everyone who gets a monkeypox vaccine is essentially part of a “clinical trial” to collect information on whether the shot is effective.
The comments came as the agency’s Director-General, Tedros Adhanom Ghebreyesus, overruled a WHO advisory panel and declared monkeypox a global health emergency, which is the agency’s highest level alert. The last time the WHO issued such an emergency was in early 2020 when it made the same declaration for COVID-19.
Tim Nguyen, the head of the WHO’s infectious hazards preparedness agency, said the monkeypox vaccine’s efficacy isn’t known because it hasn’t been used on a large scale before….