EUA for Modified Administration of Monkeypox Vaccine

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FDA has issued Bavarian Nordic an emergency use authorization (EUA) for its smallpox/monkeypox vaccine Jynneos to allow healthcare providers to administer the vaccine by intradermal injection for individuals 18 years of age and older who are determined to be at high risk for monkeypox infection. The agency says allowing this route of administration will “increase the total number of doses available for use by up to five-fold. The EUA also allows for use of the vaccine in individuals younger than 18 years of age determined to be at high risk of monkeypox infection; in these individuals Jynneos is administered by subcutaneous injection.”

Monkeypox has lately been spreading “at a rate that has made it clear our current vaccine supply will not meet the current demand,” FDA commissioner Robert Califf is quoted in a release as saying. “The FDA quickly explored other scientifically appropriate options to facilitate access to the vaccine for all impacted individuals. By increasing the number of available doses, more individuals who want to be vaccinated against monkeypox will now have the opportunity to do so.”

Jynneos, a modified vaccinia ankara vaccine, was approved in 2019 for prevention of smallpox and monkeypox disease in high-risk adults 18 years of age and older. Two doses of the vaccine given four weeks apart will still be needed under the EUA, FDA says, adding that there are no data indicating that one dose will provide long-lasting protection.

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