translation.da: Det virus, som forårsagede influenzapandemien i 2009, A(H1N1), indeholder gener fra svine-, fugle- og menneskeinfluenzavirus i en kombination, der aldrig er set før noget sted i verden.
translation.en: The 2009 pandemic influenza A(H1N1) virus that has been found contains genes from pig, bird and human influenza viruses, in a combination that has never been observed before anywhere in the world.