Hey guys....
To Kaise hai aap log. Iss video me aap sabhi viewers​ ka bhot bhot swagat Hai...Mera naam Hai harsh aur ye apka apna YouTube channel sciencetv hai. Guys ye Meri 10th video Hai YouTube par hope you guys will enjoy this video.

•• About video :- hey guys in this video I'm going to tell you about how does a vaccine works when it is injected in your body how does it kills the pathogens and how it makes us well for full detailed​ information please watch the video till the end....

•• bhaiyo aur bheno ? Thanks for watching this video ••

•• please share this video with your loved ones friends and family and help us to spread the magic of science all over the india.

••Original Creator of this video:- https://youtu.be/YwpRkQjDpcY

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# Extra hashtags

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