preferred_name: Low specific antibody titers (e.g., tetanus, polio virus, mumps, rubella)
preferred_name_lc: low specific antibody titers (e.g., tetanus, polio virus, mumps, rubella)
label: Low specific antibody titers (e.g., tetanus, polio virus, mumps, rubella)
label_lc: low specific antibody titers (e.g., tetanus, polio virus, mumps, rubella)