US President Barack Obama announced a national emergency due to the H1N1 flu on the 24th. The trend of more people being infected with H1N1 seems unavoidable.
Meanwhile, American scientists have recently confirmed that pigs in the US have also been infected with the H1N1 virus.
The H1N1 flu, which was initially mistakenly called "swine flu," after ravaging and infecting humans, has now also infected pig herds. The possible cross-infection between humans and pigs is causing concern among scientists, who are also highly vigilant about the possibility of viral hybridization and mutation.
Cycle
The Washington Post reported on the 25th about such a hypothesis, or rather, a worry among scientists: the H1N1 flu virus could be directly transmitted from humans to pigs, where it might hybridize with previously known swine flu viruses, and possibly even with avian influenza viruses...