A case of monkeypox was diagnosed in a returning traveler from Nigeria to Maryland, USA. Prompt infection control measures led to no secondary cases in 40 exposed healthcare workers. Given the global health implications, public health systems should be aware of effective strategies to mitigate the potential spread of monkeypox.
Keywords: Maryland; Nigeria; United States; global health; international traveler; monkeypox; monkeypox viruses; orthopoxvirus; travel medicine; viruses; zoonoses.