#DYK: If you stop vaccination, diseases will return & outbreaks can occur https://goo.gl/SvPbeF #VaccinesWork
Day 5 - Post 5 (WHO)
Day 5 - Post 5 (WHO)
#DYK: If you stop vaccination, diseases will return & outbreaks can occur https://goo.gl/SvPbeF #VaccinesWork
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