Health officials in China say they may consider combining Vaccines to boost their efficacy, after admitting the protection rate is “low”. In a rare acknowledgment of weakness, Gao Fu from the Chinese Centres for Disease Control and Prevention admitted the country’s vaccines do not offer high levels of protection. He was addressing a conference in the south-western city of Chengdu at the weekend. According to a Thai PBS World report, China has 4 Covid-19 vaccines and the country plans to produce 3 billion doses by the end of this year. However, data shows that although strict temperature requirements govern their […]

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