Peter Piot, director general of UNAIDS, told journalists that the prospect of a gel, in the form of a disinfectant, offered greater hope in the foreseeable future than a vaccine.

• 联合国爱滋病规划署执行主任皮奥特告诉记者，在可预见的未来，一种作为消毒剂的凝胶，其前景将比疫苗更有希望。