The present influenza A(H1N1)v virus is a new virus subtype of influenza affecting humans, which contains segments of genes from pig, bird and human influenza viruses in a combination that has never been observed before anywhere in the world.
Ta virus gripe A (H1N1)v je nova podvrsta virusa gripe, ki prizadene ljudi in vsebuje segmente genov virusa prašičje, ptičje in človeške gripe, pred tem pa ga niso opazili še nikjer na svetu.