Infection-asthma-infection.
D000361:Agammaglobulinemia / Q000276:immunology; D001249:Asthma / Q000150:complications* / Q000276:immunology; D003888:Desensitization, Immunologic; D004352:Drug Resistance, Microbial; D006801:Humans; D007070:Immunoglobulin A; D012141:Respiratory Tract Infections / Q000150:complications*
D007070:Immunoglobulin A