Aujeszky’s Disease (AD) occurs worldwide and is caused by Suid Herpesvirus 1, also known as Pseudorabies virus (PrV) or Aujeszky’s Disease virus (ADV).
AD is one of the most dangerous viral swine diseases and causes significant economic damage and losses in pig production. Due to the implementation of a strict national control programme, AD could be eradicated in the domestic pig population of Germany. Germany has been officially free from AD since 2003. The maintenance of the AD-free status is based on annual serological investigations in domestic pig holdings according to a two-step random sampling plan. Although Germany is considered free from AD, PrV is still found in the wild boar population of the country.