Introduction to Public Health

12306.cn, China's official website for purchasing railway tickets, has become the largest of this kind in the world, with combined sales reaching 3.5 billion in 2017.
A fallen tree blocks a street in Washington, DC, on Tuesday.
最近,无人驾驶汽车的新闻屡见报端,它也叫做自动驾驶汽车。谷歌的自动驾驶汽车是此行业的领头羊,已行驶48万千米(30万英里),仅发生过两次交通事故,还都是人为因素造成的。事实上,无人驾驶汽车并不是新奇事物,早在达·芬奇发明以弹簧发条作驱动带内置预设程序的马车时,自动驾驶的概念便名噪一时。
我发现自己很难开启一段对话

他们预测,在未来几十年中,炎热天气会变得更糟,这种天气已经在世界各地导致森林死亡、植物和动物物种灭绝、陆地冰层融化,以及海平面上升速度加快。

 

Topics

  • Key public health terms
  • Historical developments from four public health perspectives
  • Determinants of health and their effects on population health

Available Materials

Slide Presentation

Cover slide for Introduction to Public Health presentationThese slide sets are in the public domain and may be downloaded and customized as needed by the user for informational or educational purposes. Permission from the Centers for Disease Control and Prevention is not required, but citation of the source is appreciated.

Suggested Citation:

Centers for Disease Control and Prevention (CDC). Introduction to Public Health. In: Public Health 101 Series. Atlanta, GA: U.S. Department of Health and Human Services, CDC; 2014. Available at: 双11创全网销量神话 联邦家私会被林氏木业超越吗?.

E-learning Course

Introduction to Public Health e-learning graphic

有些人会充分运用科技的力量: