COVID19 | China approves first mixed-vaccine trial as Delta spreads
The trial will test the efficacy of combining an 'inactivated' vaccine made by China's Sinovac with a DNA-based oneBEIJING - China's drug regulator has approved the country's first mixed-vaccine trial, a company involved in the study said, as the rapid spread of the Delta variant raises concern about the efficacy of domestically produced jabs.
Preclinical work has found that"two different vaccine applications... produce an even stronger and more balanced immune response", Advaccine chairman Wang Bin said in the statement. The World Health Organization has said there is still not enough data to say whether using two different vaccines together is safe or can boost immunity.Inovio has not published any efficacy data from its global clinical trials. It is the first DNA-based vaccine to be trialled in China.
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