Limited monkeypox vaccine supply would be stretched under FDA plan

Biden administration officials announced Tuesday a new strategy to split monkeypox vaccine doses in hopes of vaccinating up to five times as many people against the virus.

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The plan, unveiled days after the federal government declared monkeypox a public health emergency amid criticism over the administration’s response to the rapidly unfolding crisis, would allow public health officials to stretch their limited supply of monkeypox vaccine doses by changing how those shots are administered. Rather than inject doses of Jynneos subcutaneously, a traditional way of delivering vaccines into the fatty tissue under the skin, the doses would instead be injected under the top layer of the skin. This approach, known as an intradermal injection, uses a thinner needle and less vaccine but leads to a small bubble forming on the surface of the skin that can scar…

The change in injection method would maximize the immune reaction generated by the vaccine and allow U.S. officials to only administer one-fifth of the original dose, officials said, stressing that the approach would not compromise safety or efficacy.

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