[1] Chisholm served as a military surgeon to the British forces in the American War of Independence.
Attached to Ralph Abercromby's expedition, he then spent five months in the Virgin Islands in 1797, and was promoted to inspector-general of hospitals.
[2] Chisholm retired on half-pay in 1800, moving to his estate in Demerara, where he spent three years growing cotton.
Usher Parsons writing in 1836 denied it was contagious, and stated that quarantine was useless against it, while citing the views of Chisholm (on two kinds of yellow fever), Pym and James Fellowes, and believers in "contingent contagion".
[10] James Ormiston McWilliam had his 1847 report on an outbreak at Boa Vista published by the UK Parliament.