title: Does influenza immunisation cause exacerbations of chronic airflow obstruction or asthma?
authors.affiliation: PHLS Communicable Disease Surveillance Centre, London, UK.
authors.forename: J M
authors.initials: JM
authors.lastname: Watson
authors.forename: J F
authors.initials: JF
authors.lastname: Cordier
authors.forename: K G
authors.initials: KG
authors.lastname: Nicholson
mesh_terms: D000328:Adult; D000368:Aged; D001249:Asthma / Q000209:etiology*; D002648:Child; D002986:Clinical Trials as Topic; D006801:Humans; D007252:Influenza Vaccines / Q000009:adverse effects*; D007251:Influenza, Human / Q000517:prevention & control*; D008173:Lung Diseases, Obstructive / Q000209:etiology; D008875:Middle Aged; D014611:Vaccination / Q000009:adverse effects*
chemical_list: D007252:Influenza Vaccines