WASHINGTON, United States (AFP) — Researchers in China have discovered a new type of swine flu that is capable of triggering a pandemic, according to a study published Monday in the US science journal PNAS. Named G4, it is genetically descended from the H1N1 strain that caused a pandemic in 2009. It possesses “all the essential hallmarks of being highly adapted to infect humans,” say the authors, scientists at Chinese universities, and China’s Centers for […]