Latvia extends emergency zone for African swine fever, terradaily.com, 2014-07-22. URL consultato il 28 luglio 2014.
«[...] Latvia on Tuesday declared a state of emergency in a second area of this Baltic EU state as efforts continued to contain an outbreak of deadly African swine fever in its pig population.[...] Straujuma blamed wild boar crossing in from Russia for Latvia's first-ever outbreak of the disease, detected on June 26. In July, 3 farms discovered African swine fever in Estonia. [...]»