TABLE 2.

Comparison of the infectivities of different L. donovani parasite strains

Strain	Parasite burden (mean ± SE) (n = 3)a
	Spleen	Liver	Bone marrow
FDA 9667	5 ± 0.6	23 ± 2	9 ± 5
FDA 9668	9 ± 5	16 ± 7	6 ± 3
FDA 9533	10 ± 4	76 ± 12	12 ± 2
FDA 9535	32 ± 3	131 ± 17	12 ± 2
FDA 9527	19 ± 4	35 ± 9	15 ± 3
FDA 9630	16 ± 4	44 ± 13	16 ± 2
MHOM/ET/67:LV82	18 ± 9	67 ± 33	16 ± 4

^aParasite burdens on day 14 postinfection of mice infected with 1 × 10⁷ to 4 × 10⁷ L. donovani promastigotes from bulk cultures.