A study by the American College of Allergy, Asthma and Immunology (ACAAI) indicates that dichlorophenols may play a role in the development of food allergies.
A study conducted at the University of Helsinki confirms that people who grow up in rural environments are less likely to develop autoimmune and inflammatory diseases including allergies.
A UK study found that anaphylaxis occurred rarely as a result of common pediatric immunizations and not at all as a result of infant and preschool immunizations.