An institute in Vietnam, The Nha Trang Institute of Vaccines and Biological Products, has announced that it has successfully produced 5,000 doses of a H5N1 vaccine for// humans from chick embryos.
The vaccine was tested on white mice, guinea-pigs and cockerels and similar reactions were observed.The observations have been sent to Vietnam's National Institute of Verification of Vaccines and Biological Products. Its reported that the quality was tested against the World Health Organisation (WHO)'s standards.
A group of scientists injected two doses of vaccine into white mice, guinea-pig and cockerels and a second dose was given 20 days after the first dose.
Samples obtained from the vaccinated animals ten days after the second dose, showed that the vaccine produced the highest haemagglutinin (HA) antibody levels.
Nguyen Thi Minh Hien, one of those involved in the research, said the institute is planning to produce another 5,000 doses of the vaccine in early 2007 to be tested at various international verification centres. If it emerges successful, the institute will propose test on humans.
Vietnam is one of the Asiatic nations worst hit by this virus.
So far, 93 bird flu cases in humans have been reported in 32 localities, which include 42 fatalities, since December 2003,reports the Vietnamese Health Ministry.It also notes that no new cases of infections have been reported since mid-November 2005.Page: 1 Related medicine news :1
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