A new mutation of the swine flu virus has been found in pigs in China. While researchers there say the virus, known as G4 EA H1N1, has the potential to cause a pandemic, it poses no immediate threat to humans. Redmond Shannon explains why, and how developing a vaccine for this should be relatively easy.
- G4 swine flu not a new virus, does not infect humans easily: China
- New flu strain in China with ‘pandemic potential’ needs watching, researchers say