Life has only recently got better for hard of hearing patients with the development of modern hearing aids and cochlear implants.

直到近年来,随着现代助听以及耳蜗植入设备的开发,听力障碍病人的生活才有了改善,不过，有了新技术。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

According to the World Health Organization it can take a person infected with HIV 10 to 15 years to develop AIDS. Effective treatment with antiretroviral drug, however, is delaying the development of AIDS and allowing people to live longer, healthier lives.

FORBES: FDA Approves First At-Home HIV Test

The Health Protection Agency (HPA) said its figures suggested about 100, 000 people in the UK were currently living with HIV, but about a quarter of them did not know they had the virus, which untreated can lead to the development of Aids.

BBC: World Aids Day: David Cameron calls for greater awareness

He does not oppose the development of an AIDS vaccine.

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