TABLE 1.

Cardiac inflammation and tissue parasitism

Mouse strain	Time (days) p.i.	Avg inflammation scorea ± SD		Tissue parasitism (mean no. of infected cells/ 100 mm2 ± SE)	n
		Atrium	Ventricle
CCR5+/+	0	0.60 ± 0.55	0.67 ± 0.82	0.00	6
	15	2.11 ± 0.33	2.00 ± 0.00	0.18 ± 0.18	10
	30	4.00 ± 0.00	4.00 ± 0.00	34.20 ± 9.92	6
	60	3.75 ± 0.50	3.50 ± 0.58	1.40 ± .90	4
	120	2.25 ± 0.50	2.00 ± 0.00	0.00	4
	200	3.00 ± 0.00	3.67 ± 0.58	0.00	3
CCR5−/−	0	0.40 ± 0.55	0.80 ± 0.45	0.00	5
	15	0.40 ± 0.55b	0.57 ± 0.53b	0.70 ± 0.70	7
	30	3.67 ± 0.65	3.67 ± 0.65	163.64 ± 25.97b	12
	60	3.00 ± 1.00	3.50 ± 0.58	2.34 ± 1.52	4
	120	3.50 ± 1.22	3.17 ± 0.75	0.29 ± 0.29	6
	200	2.25 ± 0.50	2.50 ± 0.58	0.00	4

^aUsing the numerical scoring system of Sun and Tarleton (43).

^bSignificant difference between CCR5^−/− and CCR5^+/+ mice at the same time p.i., as determined by the Mann-Whitney test (P ≤ 0.01).