KUALA LUMPUR: Preliminary results of a study conducted by the Pontifical Catholic University in Chile (UC) shows that the Covid-19 Sinovac vaccine booster dose could activate cellular immunity against the Omicron variant on subjects who were given two doses of the same vaccine previously.
The objective of the study led by Millennium Institute on Immunology and Immunotherapy director Prof Dr Alexis M. Kalergis, was to assess whether the immunity activated by the Sinovac vaccine booster dose was able to recognise the Omicron variant.