Table 2.

Behavioral analysis results for male and female groups

Sex	Male Groups		Female Groups
Groups	% 0.9 NaCl Saline Male Group	COVID-19 m-RNA Vaccine BNT162b2 Male Group	% 0.9 NaCl Saline Female Group	COVID-19 m-RNA Vaccine BNT162b2 Female Group
Sociability test (session I): The spend of time with stranger 1 rat percent (%)	68.3 ± 4.1	49.2 ± 4.8 #	70.1 ± 2.9	67.6 ± 3.1
Social novelty and motivation test (session II): The spend of time with stranger 2 rat percent (%)	67.9 ± 5.7	50.1 ± 6.1 #	71.5 ± 4.9	63.4 ± 6.5
Sociability Index (stranger 1 / empty)	2.8 ± 0.24	1.47 ± 0.19 ##	2.83 ± 1.11	2.87 ± 0.48
Novelty Index (stranger 2 / stranger 1)	2.9 ± 0.36	1.15 ± 0.22 ##	2.74 ± 0.15	2.77 ± 0.65
Open Field Test: Number of ambulation	22.2 ± 0.96	20.2 ± 2.13	22.9 ± 0.7	27.2 ± 2.4
Novelty-Induced Rearing Behavior	21.6 ± 0.7	17.4 ± 2.44	21.4 ± 0.9	24.5 ± 2.9
Latency time to fall (sec.)	263.7 ± 19.2	163.3 ± 20.4 #	267.5 ± 21.6	260.2 ± 14.9

Results were presented as mean ± SEM. Statistical analyses were performed by one-way ANOVA. # p < 0.01, ## p < 0.001 different from % 0.9 NaCl Saline Male Group