China has confirmed another case of the deadly H7N9 bird flu virus.
A woman from northern China developed a cough and fever 11 days ago and was diagnosed as having severe pneumonia four days later.
She is now having emergency treatment in a hospital in Beijing
The woman is reported to have bought vegetables at a market where live poultry was also on sale.
The first human cases of the H7N9 virus were reported in late March. By the end of last month, 132 people in mainland China had been infected, killing 43.
