The present invention relates to at least one nucleic acid (i) comprising or consisting of or (ii) encoding a nucleic acid comprising or consisting of, a sequence selected from the group consisting of: 1) SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, and SEQ ID NO: 4, and 2) a sequence derived from SEQ ID NO: 1 to 4 by substitution deletion or insertion of at least one nucleotide, provided that a nucleic acid consisting of the sequence derived from SEQ ID NO: 1 to 4 is liable to induce HIV-1 expression in latent HIV-1-infected cells, for use as a medicament, in particular for treating retrovirus infections.
