U.S. Orders 800,000 More Doses of Monkeypox Vax That Causes Heart Disease in at Least 1 Out of 75 Recipients—Risk Nearly Doubles if You’ve Received a Smallpox Vax in the Past

Package insert for the Jynneos monkeypox vaccine says heart problems of “special interest” occur in 1 in 75 vaccine recipients who have not already been vaccinated against smallpox and in 1 in 48 vaccine recipients who have already been vaccinated against smallpox.