Table 1.

Leukocyte abundance during S. aureus craniotomy infection as determined by scRNA-seq

	Blood		Brain		Galea		Bone Flap
Cell Type	Cell #	%	Cell #	%	Cell #	%	Cell #	%
Monocytes​	258	5.25	631	6.83	224	1.90	6	0.09
Macrophages	39	0.79	867	9.39	269	2.29	15	0.22
Microglia	-	-	2,881	31.20	-	-	2	0.03
Dendritic Cells	27	0.55	410	4.44	68	0.58	0	0.55
Neutrophils	1,114	22.67	1,106	11.98	10,653	90.50	6,544	98.08
Eosinophils	5	0.10	2	0.02	-	-	2	0.03
Basophils	26	0.53	21	0.23	8	0.07	1	0.01
Mast cells	-	-	3	0.03	1	0.01	-	-
NK cells	1,023	20.82	425	4.60	84	0.71	10	0.15
NKT cells	42	0.85	678	7.34	90	0.76	2	0.03
Innate Lymphoid Cells	26	0.53	283	3.07	68	0.58	2	0.03
T cells	916	18.64	819	8.87	138	1.17	7	0.10
γδ T cells	25	0.51	106	1.15	10	0.08	2	0.03
Pro-B cells	3	0.06	40	0.43	3	0.03	8	0.12
B cells	939	19.11	186	2.01	26	0.22	2	0.03
Stromal cells	-	-	2	0.02	-	-	-	-
Stem cells	13	0.26	43	0.47	9	0.08	9	0.13
Unassigned	458	9.32	730	7.91	120	1.02	60	0.90
Total	4,914	100.00	9,233	100.00	11,771	100.00	6,672	100.00