Caused by a new strain of influenza virus type A H 1 N 1 (influenza a virus subtype h1n1) influenza, which is a new, never seen before. Caused by the mixing of the genetic material of humans, swine and bird flu.
Caused by influenza virus strains. Type-h 1 n 1 (influenza A virus subtype H1N1) influenza infection is a new, never seen before. Caused by a genetic mix of human influenza infection. Pigs and birds.
born from infected Swine Flu HIV type 1 engine and 1 (influenza virus subtype A H N 1 1 ), which is a sterile, Swine Flu new, never before seen. caused by the combination of genetic influenza of Swine Influenza and bird