If people are not vaccinated, uncommon diseases such as #measles and #polio will quickly reappear https://goo.gl/SvPbeF #VaccinesWork
Day 2 - Post 4 (WHO)
Day 2 - Post 4 (WHO)
If people are not vaccinated, uncommon diseases such as #measles and #polio will quickly reappear https://goo.gl/SvPbeF #VaccinesWork
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