... University hospital and only a small frac-tion, 5 % at primary care. However, the successively amended regional quality program for asthma diag-nosis is nowadays shared, but was more lax 15 years ... (19). Interestingly, the exposition for pet animals tended to be higher in the NA cases, which may support the hygiene hypothesis, but may also be due to higher sensitivity in the A group. ... asthma and allergy in the family at child birth as well as reported asthma, aller-gic rhinitis and eczema in the family when the child was ten years old, were all significantly more frequent...