Two British poultry workers have tested positive for bird flu, UK health officials have confirmed. Investigations believe the persons came into contact with avian influenza at a farm in England.
Experts called the discovery very concerning , claiming it shows the pathogen is one step closer to infecting humans. It is the first study confirming it can spread between mammals.
The study carried out by specialists at the China Agricultural University in Beijing, found the virus is now showing signs of being better able to recognise human cell receptors.