Influenza type A H 1 N 1 disease transmission between person to person. Begin to Mexico and the United States. Subsequently spread to many other countries
Influenza strains. Type-h 1 n 1 is a disease that is spread person to person communication between. The United States and Mexico countries found. Later, it spread out to many country
Swine Flu HIV type 1 engine 1 is a disease, and the spread of contact between the people began to be found in Mexico and the United States, later spread out to several other countries