Table 1.

Clinical Charts and Samples Used for the Study

	B.1.2	Alpha	Delta
Total patients	377	1482	785
Samples with Ct values
Total	224	564	251
Breakthrough
Total		46	87
Asymptomatic		20	15
Known days to symptoms		26	72
Unvaccinated
Total	200	470	134
Asymptomatic	9	28	18
Known days to symptoms	191	442	116
Samples with cell culture
Total		154	128
Breakthrough		46	39
Unvaccinated	58	95	77
Samples with respiratory IgG
Breakthrough		43	24
Unvaccinated		30	17

Abbreviations: Ct, cycle threshold; IgG, immunoglobulin G.