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Author Topic: There are various types of COVID-19 vaccines, which one is better?  (Read 31 times)
Teratai93 (OP)
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September 15, 2021, 02:20:09 PM
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The world already has various types of vaccines that have begun to be used to control the corona virus pandemic.

Throughout 2020, scientists around the world will continue to work hard to find the right vaccine to prevent this new disease.

What is the method of using this type of vaccine in your country, and is it mandatory for everyone?
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