FILE PHOTO: An employee of the vaccine company Bavarian Nordic works in a laboratory of the company in Martinsried near Munich, Germany, May 24, 2022. The company, headquartered in Denmark, is the only one in the world to have approval for a smallpox vaccine called Jynneos in the U.S. and Imvanex in Europe, which is also effective against monkeypox. REUTERS/Lukas Barth