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.
Rate of anaphylactic events among responding schools by region. The rate is calculated as the number of events in each region divided by the number of schools for that specific region. Multiple events could be reported for a single school. The event rate per school does not account for the total number of students within each school.
