Table 2.

Seasonal cumulative incidence (CUMI) of CL in British troop units deployed in an 8 – week jungle training in Belize between 2019 and 2022.

Year	Number of units	Jungle training (JT) area	Month deployed	Season	Number of soldiers deployed	Number of confirmed CL cases	Cumulative incidence (CUMI) (%)
2019	1st Unit	1963 Lines	January	Dry	100	0	0.0
	2nd Unit	Chiquibul1	April	Dry	120	0	0.0
	3rd Unit	Gallon Jug1 and Yalbac	September	Wet	150	0	0.0
	4th Unit	1963 Lines	October	Wet	330	9	2.7
2020	1st Unit	1963 Lines	April	Dry	80	0	0.0
	2nd Unit	Yalbac	September	Wet	120	0	0.0
2021	1st Unit	1963 Lines	January	Dry	120	0	0.0
	2nd Unit	Gallon Jug1 and Yalbac	September	Wet	180	2	1.1
2022	1st Unit	Mountain Pine Ridge	January	Dry	100	0	0.0
	2nd Unit	1963 Lines	April	Dry	150	2	1.3
	3rd Unit	Mountain Pine Ridge & Chiquibul1	September	Wet	200	3	1.5
	4th Unit	Gallon Jug1 and Yalbac	October	Wet	450	33	7.3

¹JT areas where historical accounts report Leishmania infections in sand flies (see text for literature sources).