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Chinese scientists said Sunday that four volunteers were in good health during the first days following a clinical test of vaccine-SARS (Severe Acute Respiratory Syndrome).

volunteers, three students and a student from Beijing, had been injected with a SARS vaccine or a placebo without the SARS virus on Saturday afternoon, said sources involved in the test.

After two hours of observation following the inoculation, no abnormal reaction was observed and the volunteers have left the Hospital of China-Japan Friendship where they had been tested.

During the first three days, volunteers should be observed every day, with their blood and examined this observation process will last 210 days.

Neither the volunteers nor the doctors were informed that the injection was a vaccine or a placebo without the SARS virus, the sources said.

The four students were selected in the first group of 36 volunteers aged 21 to 40 years.

Doctors at the hospital said they were well prepared for any abnormal reaction that may arise among volunteers.

The vaccine was developed by Beijing Kexing Bio-product Co., LTD.

中国：在第一组志愿者接受了SARS疫苗试验

我国科学家4日说，志愿者的身体健康，在之后的疫苗临床试验，SARS（严重急性呼吸系统综合症）的第一天。

志愿者，3名学生和来自北京的学生，一直与SARS疫苗或没有参加下午SARS病毒注射安慰剂的消息人士称，在测试工作。

下面经过两小时的观察接种，没有出现异常反应，观察和志愿者离开中国医院中日友好，他们已进行测试。

在头3天，志愿者应遵守每天，用鲜血和研究过这个观察的过程将持续210天。

无论是志愿者还是医生被告知，注射疫苗或没有SARS病毒安慰剂的消息人士说。

四名学生被选中，在21岁至40年第一批36名志愿者。

医院的医生说，他们早作任何异常反应，其中可能出现的志愿者准备。

这种疫苗是由北京科兴生物制品有限公司，有限公司。