播放时才会从 YouTube 加载视频(无 Cookie)。
How to avoid mosquito bites?
健康
Mosquitoes are responsible for an average of 765,000 deaths a year, it is the most deadly animal for humans. Mosquitoes also transmit many diseases. A few simple actions reduce the risk of bite.
这些信息不能替代医疗专业人员的意见。紧急情况下请拨打当地急救电话(欧洲为 112,法国为 15)。