John Gill Commentary 2 Chronicles 6:28

"If there be in the land famine, if there be pestilence, if there be blasting or mildew, locust or caterpillar; if their enemies besiege them in the land of their cities; whatsoever plague or whatsoever sickness there be;" — 2 Chronicles 6:28 (ASV)

(See Gill on 2 Chronicles 5:1).