As the world watches reported outbreaks of monkeypox, researchers are trying to learn more about how and why the virus is spreading. Dr. Eric Toner, an expert in bioterrorism and emerging infectious diseases at the Johns Hopkins Center for Health Security, talks with Lindsay Smith Rogers about what monkeypox is and where it comes from, how it spreads, treatments and prevention, and why these outbreaks are important to know about but not necessarily cause for alarm.