Thứ Bảy, 2 tháng 3, 2019

NPR News: Arizona Lawmakers Consider Loosening Vaccination Requirements

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Arizona Lawmakers Consider Loosening Vaccination Requirements
Measles outbreaks have prompted some states to consider tightening up laws that allow exemptions from vaccines for personal or philosophical reasons. But in Arizona, lawmakers are going the other way.

Đọc thêm tại NPR
at March 2, 2019 at 08:23PM
Health & Science
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