Pfizer and Moderna vaccines better against Delta variant, but DOH leans toward Sinovac
Pfizer vs. Sinovac
Sinovac: Vaccine used in much of the world no match for Omicron variant
Sinovac says its vaccine effective against Delta variant
Can Sinovac, AstraZeneca Vaccines Really Ward Off the Delta Variant?
However, of late there have been concerns over its efficacy especially over the more contagious variants like Delta.
A Pharmaniaga LifeScience Sdn Bhd worker holds up vials of the Sinovac Covid-19 vaccine, which are bottled by the company to accelerate the National Covid-19 Immunisation Programme.
One of the study's limitations is that which would give an indication of protection against severe disease.