There is a swamp of seven acres in the middle, the home of malarial fever, thus making this island one of the most unhealthy spots in New Guinea.
— from Two Years Among the Savages of New Guinea. With Introductory Notes on North Queensland. by W. D. Pitcairn

This district has the reputation of being one of the most unhealthy spots in New Guinea, and the natives round here are none too friendly, and hate the government and their police, so that during the last three years, three or four resident magistrates in the locality have either been murdered or have died of fever.
— from Wanderings among South Sea Savages and in Borneo and the Philippines by H. Wilfrid Walker