Table 3. Prevalence of active asthma (wheezing in the past 12 months), severe asthma (wheezing so intense able to stop to say two words in a row in the past 12 months) and asthma diagnosed by physician in school children (13-14 years old) of official centers and other Brazilian centers that used the protocol of the International Study of Asthma and Allergies in Childhood (ISAAC) - Phase 3.