Figure 4. Percentage of children who were diagnosed with asthma at 4.5 years in the groups with no airway symptoms, allergic rhinoconjunctivitis and asthma at 10 years.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.