viral_testing_performed -> virol.test_performed (yesno)
virology_date_of_asst -> virol.test_date (date)
viroldays -> virol.test_days_from_admission (pos_integer)
specimen_type -> virol.test_type (list)
virus_isolated -> virol.pathogen_detected (yesno)
test_type -> virol.test_type (list)
virus_pathogen -> virol.pathogen, .virol_isolate_list (checkboxes_to_nested_list)
virol_patient_lab -> virol.test_provenance (list)