TABLE 2.

Quantification of phagocytic activity of granulocytes^a

Treatment	No. of PMNC (P)		No. of phagocytizing PMNC (P)		Fluorescence intensity (P)
	2 days	7 days	2 days	7 days	2 days	7 days
RB6-8C5	7.2 ± 1.4 (<0.02)	239.4 ± 74 (<0.009)	0.4 ± 0.1 (<0.02)	58.8 ± 9 (<0.009)	563 ± 23 (<0.014)	218 ± 10 (NS)b
Rat IgG	81 ± 16.5	64.4 ± 5.5	22.8 ± 4.4	18.4 ± 2.9	273 ± 16.8	224 ± 13

^aPhagocytic activity of granulocytes in heparinized whole blood of noninfected mice 2 days after a single inoculation and 7 days after repeated inoculations with either MAb RB6-8C5 (n = 10) or rat IgG (n = 10). The number of leukocytes was evaluated with a hemacytometer, and flow cytometry was used to calculate the proportion of polymorphonuclear cells (PMNC). The values are given as 10⁷ PMNC/liter ± standard error of the mean. 

^bNS, not significant.