An experimental Chinese coronavirus vaccine developed by the Institute of Medical Biology under the Chinese Academy of Medical Sciences has been shown to be safe in an early-stage clinical trial, the researchers said.
In a Phase 1 study of 191 healthy participants aged 18 to 59, the group’s experimental injection vaccination showed no serious adverse reactions, its researchers said Tuesday in a paper posted here on the team̵
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The most common adverse reactions reported by study participants were mild pain, mild fatigue and redness, itching and swelling at the injection site.
The candidate also induced the immune response.
“All the data obtained in this study support the safety and immunogenicity of this inactivated vaccine and are encouraging regarding further studies on its efficacy in the future,” the paper states.
China has inoculated hundreds of thousands of essential workers and other high-risk groups with other vaccines, even though clinical trials were not fully completed, raising safety concerns among experts.
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China has at least four experimental vaccines in the final phase of clinical trials.