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| Chinese bird flu vaccine tests safe | | |
BEIJING: A bird flu vaccine for human use developed by Chinese researchers has been declared safe and effective, according to preliminary clinical tests.
The vaccine, jointly developed by China's ministry of science and technology, centre for disease control and prevention and Beijing Sinovac Biotech Co, a Beijing-based pharmaceutical company, was declared safe on Monday.
The first batch of six volunteers took part in the clinical tests in November 2005 at the Beijing China-Japan Friendship Hospital, after the State Food and Drug Administration gave the go-ahead.
Results showed that the four antigens worked at different levels in stimulating the production of antibodies in human bodies, according to the company.
It said the 10-microgram dosage of the vaccine proved most effective, stimulating 78.3 percent protective antibodies, exceeding the European Union standard of 70 percent for a flu vaccine.
The 120 participants who were vaccinated have showed no serious adverse reactions, the researchers said. |
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