Hannah Kuhler reports from London
A Chinese vaccine maker has announced positive early results for its messenger ribonucleic acid (mRNA) vaccine. The virus is currently spreading rapidly among Chinese populations who have been vaccinated with traditional vaccines.
CanSinoBio said on Friday that its new vaccine, given as a booster shot to people who have already received three doses, produced antibodies 23 to 29 times higher than the homologous booster of the inactivated vaccine.
A clinical “phase IIb” trial of more than 400 people — usually conducted before phase III trials considered the gold standard — showed that Omi…
