Fig. 2.
Comparison of skin reactivity according to age groups in the 2010s. *Skin reactivity (%) to all allergens was decreased according to increase in age (P<00.01).
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.