Categories twitter twitter-es twitter-pt RT @WHO: Over the past decade, 1⃣ billion children were vaccinated. This hard-fought gain is now at risk becauseadmin - 16:34, 25 de septiembre de 2020360 0 RT @WHO: Over the past decade, 1⃣ billion children were vaccinated. This hard-fought gain is now at risk because of #COVID19. But there a… 0