Table 1. Comparison of reactivity among asymptomatic and mild patients.

*Fisher's exact test applied

	Asymptomatic		Mild
	Reactive	Non-reactive	Reactive	Non-reactive	p-Value
6 weeks
Cases	13	5	11	1	0.35*
Controls	8	0	19	3	0.54*
12 weeks
Cases	10	8	7	5	0.88
Controls	7	0	16	5	0.29*
24 weeks
Cases	1	17	3	9	0.27*
Controls	4	4	6	11	0.66*