U.S. to give smaller doses of monkeypox vaccine amount to stretch limited supply

U.S. health officials have authorized a plan to stretch the nation’s limited supply of monkeypox vaccine by giving people just one-fifth the usual dose, citing research suggesting that the reduced amount is about as effective.

The so-called dose-sparing approach also calls for administering the Jynneos vaccine with an injection just under the skin rather than into deeper tissue — a practice that may rev up the immune system better. Recipients would still get two shots spaced four weeks apart.

The highly unusual step is a stark acknowledgement that the U.S. currently lacks the supplies needed to vaccinate everyone seeking protection from the