Table 1 -.

Measurements analysis of collagen fibers in the dermis of animals in the immunized and control groups at 7, 15, and 30 days.

Collagen fibers	Mean	Standard Deviation	P*
Group 7 days	9.72	3.41	0,05*
Control group 7 days	6.54	0.94
Group 15 days	10.24	2.77	0,17
Control group 15 days	8.35	1.49
Group 30 days	9.59	2.75	0,24
Control group 30 days	8.07	1.17

Results analyzed by the t-test to verify differences between the means of the measurements of collagen fibers in immunized and control groups at 7, 15, and 30 days at a significance level of 0.05.

^*Statistically significant.