Fit polyclonal models

• Lib-2_2022-03-14_thaw-3_COV2-2130_1

• Lib-2_2022-03-14_thaw-3_2130-1-0114-112_1

• Lib-3_2022-03-14_thaw-3_COV2-2130_1

• Lib-3_2022-03-14_thaw-3_2130-1-0114-112_1