The state has also recorded the highest number of vaccine doses administered in the nation during phase one of the exercise, which is still ongoing.
The announcement to stop using Sinovac's inactivated virus vaccine comes amid increasing concern over its efficacy against new and more contagious variants of the coronavirus.
Neighbouring Thailand this week said it would use the AstraZeneca vaccine as a second dose for those who received the Sinovac shot, while Indonesia is considering a booster shot for those who received the two-dose Sinovac course.