New Jersey health officials said they are investigating what could be the state’s first locally acquired case of malaria in more than three decades. The New Jersey departments of Health and Environmental Protection announced Monday they are looking into a case of malaria reported in a Morris County,

Health officials in New Jersey are investigating a case of malaria, the potentially deadly mosquito-transmitted disease, in a Morris County resident with no international travel history. That means it is possible the infection happened locally,

If confirmed, it would be the first case of locally acquired malaria in New Jersey since 1991. There are about 100 travel-related cases in the state each year, health officials said.