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Tuesday, October 20, 2020, 23:05
No serious side effects reported as 60,000 test China's vaccines
By Wang Xiaoyu
Tuesday, October 20, 2020, 23:05 By Wang Xiaoyu

This undated photo shows a technician testing a sample of a vaccine for COVID-19 at China National Pharmaceutical Group Co in Beijing. (PHOTO/XINHUA)

Four domestic COVID-19 experimental vaccines undergoing third-stage clinical trials overseas have inoculated about 60,000 volunteers, an official with the Ministry of Science and Technology said on Tuesday.

Tian Baoguo, deputy head of the ministry's Department of Science and Technology for Social Development, said no severe adverse reaction has been reported among them and preliminary trial results show that these vaccine candidates are safe.

A total of 13 COVID-19 experimental vaccines developed by Chinese scientists have entered human trials,  said Tian Baoguo, deputy head of the Department of Science and Technology for Social Development

ALSO READ: Lancet: Preliminary results show Chinese vaccine candidate safe

The third stage of clinical trials are the most significant phase to validate a potential vaccine's safety and efficiency. With the novel coronavirus being brought under control in China, the country has decided to launch third-stage trials in foreign countries where the virus is still spreading, according to Tian.

"The next step is to abide by science-based rules and comply with relevant rules and regulations, and to actively advance the development of vaccines," he said.

Liu Jingzhen, chairman of the China National Pharmaceutical Group Co, or Sinopharm, said two inactivated vaccine candidates developed by the institution are going through third-stage clinical trials in 10 foreign countries, including the United Arab Emirates, Argentina, Egypt and Peru, involving over 50,000 volunteers.

ALSO READ: COVID-19: China to help more countries gain access to vaccine

Previously, the first and second phases of clinical trials for the two vaccines, which were conducted in China, had enrolled 4,064 volunteers and triggered effective immune response in all of them while ensuring safety.

In total, about 60,000 people of 125 different nationalities have been vaccinated with these two candidates, yielding positive feedback from the international community, according to Liu.

"Dozens of countries also have made requests to buy vaccines from us," he said.

Meanwhile, two certified Sinopharm plants in Beijing and Wuhan, Central China's Hubei province, have completed construction and are ready for large-scale manufacturing.

READ MORE: China joins WHO-backed COVAX vaccine program

"Annual production capability is expected to reach over 1 billion shots, and sufficient and safe supplies of vaccines are guaranteed," he said.

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