And in Canada, smoke from wild fires put millions on health alert.

在加拿大，野火产生的烟雾危害数百万人的健康。

The government of the French island of Guadeloupe issued a health alert in late July.

7月下旬，法国瓜德罗普岛政府发布了健康警报。

There were new health alert systems, warnings and treatment protocols put in place.

有新的健康警报系统、警告和治疗方案到位。

Earlier this week, the U.S. Centers for Disease Control and Prevention, or CDC, issued a health alert about the increased risk and how best to protect yourself.

本周早些时候，美国疾病控制与预防中心（CDC）发布了关于风险增加以及如何最好地保护自己的健康警报。