Diseases associated with this genus include : HHV-3-chickenpox ( varicella ) and shingles; BoHV-1-infectious bovine rhinotracheitis / infectious pustular vulvovaginitis ( IPV ); SuHV-1 ( also known as pseudorabies virus )-Aujesky's disease characterized by central nervous system signs ( hindleg paralysis, meningoencephalitis ), high mortality rates in young animals, and respiratory illness in older pigs.