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A simplepill（药片）taken every day, known as "pre-exposure prophylaxis" or PrEP, can help prevent aninfection（n.感染）with HIV. Doctors should offer PrEP to people at high risk of acquiring HIV, according to a new USPreventive（预防性的）Services Task Forcestatement（声明，陈述）published Tuesday.
每天服用一粒简单的药片，称为“接触前预防”或PrEP，可以帮助预防艾滋病毒感染。美国预防服务特别工作组周二发布的一份新声明称，医生应该为感染艾滋病毒的高风险人群提供预防措施。
The task force, an independent panel of experts tasked with makingrecommendations（建议）for doctors, also updated a pastguideline（指导方针）calling for everyone between the ages of 15 and 65, pregnant women and others who are at increased risk for HIV bescreened（v.筛查）for the virus.
该工作组是一个独立的专家小组，负责向医生提出建议。工作组还更新了过去的指导方针，要求对15岁至65岁之间的所有人、孕妇和其他艾滋病毒感染风险较高的人进行艾滋病毒筛查。

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PrEP (2)
Screening is necessary because after early flu-likesymptoms, thevirusdoes not cause any signs or symptoms for several years, the task force noted in a second new statement published Tuesday. Both statements were published in the Journal of the American Medical Association.
There is no cure for HIV (human immunodeficiency virus), the life-longviralinfection that attacks the body’simmunesystem and can have significant health consequences. However, the virus is treatable with a combination of drugs known as antiretroviraltherapythat reduces the amount of virus in a person’s blood and it is preventable by using PrEP, which was approved by the US Food and Drug Administration in 2012.