The present invention relates to selected proline-rich peptides of salivary derivation with a strong antiviral activity and also an anti-reservoir activity with respect to the HIV virus, said peptides as medicaments for the treatment, prevention and eradication of HIV on human beings, pharmaceutical compositions comprising at least one of said peptides, pharmaceutical kits comprising at least one of said peptides and therapeutic methods for the treatment, prevention and eradication of HIV on human beings.