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.
BTV reassortant strains (BTV-4 W Reas and BTV-8 Reas), modified strains (BTV-6, 11 and 14), and novel BTV strains or serotypes detected in Europe (BTV-25, Piedmont) and in the Mediterranean Basin (Sardinia, Corsica, and Tunisia) from 2008 to 2018.
