Video: Real-World COVID-19 Vaccine Safety & Effectiveness Comparison In China, Mexico And Hungary. 中國、墨西哥和匈牙利的COVID-19 疫苗安全性和有效性比較.
It is not fair to compare them without considering age, health status and vaccination time. And we have to say some deaths may not be vaccine-related. Vaccination time is a critical factor as it takes time for the vaccine to trigger the generation of antibodies. After the vaccination, one shot for Cansino and Johnson and Johnson, and two shots for other vaccines, it usually needs several weeks to generate enough antibodies.
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