Returns a dataframe with the agent and two antigens used to assay for it.

Since only one antigen is used for Measles and T_cruzi, they are repeated.

get_antigen_pairs(antigens)

Arguments

antigens	vector of antigens

Details

Charles River changed one of their beads without any warning. Specifically, they dropped SIV gp130 (region 34) and replaced it for SIV gp120 (region 63).