Allergy Ontology	WHO COVID-19 Rapid Version CRF semantic data model	Source
https://allergo.infodocs.eu/ontologie/allergidoc3.0/Malaise	http://purl.obolibrary.org/obo/NCIT_C3832	LOOM
https://allergo.infodocs.eu/ontologie/allergidoc3.0/Fatigue	http://purl.obolibrary.org/obo/NCIT_C3036	LOOM
https://allergo.infodocs.eu/ontologie/allergidoc3.0/Age	http://purl.org/vodan/whocovid19crfsemdatamodel/Age	LOOM
https://allergo.infodocs.eu/ontologie/allergidoc3.0/Age	http://purl.obolibrary.org/obo/NCIT_C25150	LOOM