There are also 5 percent of infected people to maintain their normal immune function can be more than 12 years, known as long-term non-progressors.
另外还有5%的感染者其免疫功能可以维持正常达12年以上，被称为长期不进展者。
2
At study entry, the slow progressors also had a longer estimated duration of symptoms than intermediate or fast progressors, as well as higher IQ and education.