NHS 英格兰宣布，暴露前预防用药 (PrEP) ，一种可在性行为之前服用的药物，已被证明可以将高危人群的感染风险率降低约 86％。现在卫生服务机构将通过为期三年的初步试验，向预计 10,000 人提供该药物。
NHS England announced that pre-exposure prophylaxis (PrEP), a pill taken before sex which has been shown to reduce the risk of infection in high-risk individuals by around 86 per cent, will now be provided by the health service through an initial three-year trial to an estimated 10,000 people.