By numbers, the Sinovac vaccine is, by far, the most plentiful vaccine in the Philippines. Of the 64.9 million total vaccine doses delivered to the Philippines as of Sept 20, 2021, 36 million are the Sinovac vaccine1. It’s understandable to have questions, especially when it comes to life-threatening diseases like COVID-19 and the vaccines that protect us. Is Sinovac safe? Is it effective? Should I worry about Sinovac side effects? We’ll answer all of these questions here with facts and recommendations from experts.