By Wednesday, the Chinese mainland has reported nearly 63 thousand confirmed A/H1N1 flu cases. 36 people have now died of the virus. To protect the public from the epidemic, mass vaccination has started across the country. So far, more than ten million people have been inoculated.

The vaccination campaign launched across the country is mainly targeting high risk groups.

Beijing is inoculating over 80 thousand children of migrant workers. The city is also asking patients who have recovered from A/H1N1 flu, and those who have been inoculated with the A/H1N1 vaccine, to donate blood. Medical practice has proved that their blood contains antibodies, which can help treat patients with serious symptoms.

Besides vaccination, prevention is also essential.

Doctors are advising people how to protect themselves on buses or the subway.

Li Haichao, doctor of Peking University Hospital, said, "Wearing masks is a very good preventative measure in crowded and poorly ventilated places."

Some reports say a company in Tianjin has produced a mask which can effectively protect people from the A/H1N1 virus. The food and drug authority has conducted an investigation and found the company has no official permission. The watchdog has ordered the company to halt production and sales, and recall those already sold.