Coronavirus: those with BioNTech jabs have stronger antibody response than those who receive Sinovac, Hong Kong study shows | South China Morning Post

A major Hong Kong study has found "substantially higher" levels of antibodies in people vaccinated against Covid-19 with BioNTech jabs, compared to those who received the Chinese-made Sinovac vaccine. The presence of antibodies is a sign that the vaccine is working to protect the individual from the coronavirus . But the study's findings have raised questions about a government plan to shorten the quarantine period for vaccinated travellers arriving in Hong Kong. Lead researcher Professor Benjamin Cowling, an epidemiologist with the University of Hong Kong (HKU), told the Post the results also suggested that some of those who have received…