Table 3.

The criteria for the diagnosis of infections related to the phenomenon of immune learning

Nature of infection	Ordinary (rhinitis, rhino-pharyngitis, rhino-bronchitis
Frequency	Should not exceed 5 to 6 infections per a year (10 infections in some cases) with a trend of decrease with age
Season	Infections resolve completly or patialy during summer
signs «negative »	Between infectiuos episodes : Satisfactory general condition, No failure to thrive No other symptoms: chest wheezing (asthma), polypnea (asthma, cystic fibrosis), vomitting (GERD), diarrhea or alternating diarrhea-constipation (cystic fibrosis), mucosal or skin infections, extensive and superinfected eczema (immune deficiency).
Chest X-ray	Generally normal