host_age_unit:
  year: http://purl.obolibrary.org/obo/UO_0000036
  month: http://purl.obolibrary.org/obo/UO_0000035
  week: http://purl.obolibrary.org/obo/UO_0000035
  day: http://purl.obolibrary.org/obo/UO_0000034
  hour: http://purl.obolibrary.org/obo/UO_0000032

host_sex:
  Male: http://purl.obolibrary.org/obo/NCIT_C20197
  Female: http://purl.obolibrary.org/obo/NCIT_C27993
  unknown: http://purl.obolibrary.org/obo/NCIT_C17998

host_species:
  OLS-ontology: ncbitaxon

virus_species:
  OLS-ontology: ncbitaxon

collection_location:
  OLS-ontology: gaz