Szczepienia mogą wywoływać alergię.
Is infant immunization a risk factor for childhood asthma or allergy?
http://www.ncbi.nlm.nih.gov/pubmed/9345669
Infection of Human B Lymphocytes with MMR Vaccine Induces IgE Class Switching
http://www.ncbi.nlm.nih.gov/pubmed/11513549
Delay in diphtheria, pertussis, tetanus vaccination is associated with a reduced risk of childhood asthma
http://www.jacionline.org/article/S0091-6749(07)02379-2/fulltext
Effects of diphtheria-tetanus-pertussis or tetanus vaccination on allergies and allergy-related respiratory symptoms among children and adolescents in the United States
http://www.ncbi.nlm.nih.gov/pubmed/10714532
Vaccination and Allergic Disease: A Birth Cohort Study
(Interesting to note that the data show a risk of allergic disease after vaccination but the authors dismiss it in their conclusion.)
http://ajph.aphapublications.org/doi/pdf/10.2105/AJPH.94.6.985
The relationship between vaccine refusal and self-report of atopic disease in children
http://www.sciencedirect.com/science/article/pii/S0091674905000266