title: Extended cryopreservation of Mansonella ozzardi microfilariae concentrated from human peripheral blood.
abstract: Microfilariae of Mansonella ozzardi, concentrated from human blood, frozen with a cryoprotectant chemical, and stored at liquid or vapor-phase liquid nitrogen temperatures were motile when thawed after 2.5 years of preservation.
mesh_terms: D001938:Brazil; D005368:Filariasis / Q000469:parasitology*; D005615:Freezing; D006801:Humans; D007199:Indians, South American; D008366:Mansonella / Q000472:pathogenicity*; D008368:Mansonelliasis / Q000453:epidemiology / Q000469:parasitology*; D008842:Microfilariae / Q000472:pathogenicity