1Mayoclinic (2020) Retrieved from: https://www.mayoclinic.org/diseases-conditions/asthma/symptoms-causes/syc-20369653
What is Asthma Video (2019) Retrieved from: http://www.health-sketch.com/
2pulmonologyadvisor (2021) Retrieved from: https://www.pulmonologyadvisor.com/home/topics/asthma/exploring-autoimmunity-in-asthma-a-clinical-overview-plus-qa/
3mayoclinic (2021) Retrieved from: https://www.mayoclinic.org/diseases-conditions/asthma/in-depth/allergies-and-asthma/art-20047458
4mayoclinic (2020) Retrieved from: https://www.mayoclinic.org/diseases-conditions/asthma/diagnosis-treatment/drc-20369660
What is Allergic Asthma Video https://www.nationaljewish.org/conditions/asthma/overview/types/allergic-asthma
5pasteur (2021) Retrieved from: https://www.pasteur.fr/en/home/press-area/press-documents/asthma-vaccine-effective-mice
6Medicalnewstoday (2018) Retrieved from: https://www.mayoclinic.org/diseases-conditions/asthma/in-depth/allergies-and-asthma/art-20047458
7Mayoclinic (2020) Retrieved from: https://www.mayoclinic.org/diseases-conditions/occupational-asthma/symptoms-causes/syc-20375772#:~:text=Occupational%20asthma%20is%20asthma%20that’s,to%20an%20irritating%20toxic%20substance.
8Annalsofglobalhealth (2019) Retrieved from: https://annalsofglobalhealth.org/articles/10.5334/aogh.2412/#:~:text=Countries%20with%20the%20highest%20prevalence,(1.4%25)%20%5B21%5D