Categories twitter twitter-es twitter-pt RT @WHO: Vaccines: -Helped eradicate #smallpox -Reduce child deaths globally -Protect against disease -Prevent disability and death Yes,…admin - 15:21, 25 de junio de 2018437 0 RT @WHO: Vaccines: -Helped eradicate #smallpox -Reduce child deaths globally -Protect against disease -Prevent disability and death Yes,… 0