Figure 3.
TB status at first arrival to Norway by type of immigrant. Cluster X (n = 44); Norway, 1997–2011.
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.