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Sunday, May 24, 2020, 17:05
Lancet: China's COVID-19 vaccine shows promising results
By Xinhua
Sunday, May 24, 2020, 17:05 By Xinhua

A staff member tests samples of the COVID-19 inactivated vaccine at a vaccine production plant of China National Pharmaceutical Group (Sinopharm) in Beijing, capital of China, April 11, 2020. (ZHANG YUWEI / XINHUA)

LONDON — China's COVID-19 vaccine trial, the first such vaccine to reach phase 1 clinical trial, has been found to be safe, well-tolerated, and able to generate an immune response against SARS-COV-2 in humans, according to a study published online on Friday by medical journal The Lancet.

The open-label trial in 108 healthy adults demonstrates promising results after 28 days and the final results will be evaluated in six months, The Lancet said in a press statement

The open-label trial in 108 healthy adults demonstrates promising results after 28 days and the final results will be evaluated in six months, The Lancet said in a press statement. Further trials are needed to tell whether the immune response it elicits effectively protects against SARS-COV-2 infection, said the medical journal.

"These results represent an important milestone. The trial demonstrates that a single dose of the new adenovirus type 5 vectored COVID-19 (Ad5-nCoV) vaccine produces virus-specific antibodies and T cells in 14 days, making it a potential candidate for further investigation," said Professor Wei Chen from the Beijing Institute of Biotechnology in Beijing, China, who is responsible for the study.

A staff member tests samples of the COVID-19 inactivated vaccine at a vaccine production plant of China National Pharmaceutical Group (Sinopharm) in Beijing, capital of China, April 11, 2020. (ZHANG YUWEI / XINHUA)

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"However, these results should be interpreted cautiously. The challenges in the development of a COVID-19 vaccine are unprecedented, and the ability to trigger these immune responses does not necessarily indicate that the vaccine will protect humans from COVID-19. This result shows a promising vision for the development of COVID-19 vaccines, but we are still a long way from this vaccine being available to all," said Chen. 

READ MORE: Xi: China to share vaccine with world


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