O Allah, I seek refuge in You from leprosy, madness, elephantiasis, and from the — Protection
اللَّهُمَّ إِنِّي أَعُوذُ بِكَ مِنَ الْبَرَصِ وَالْجُنُونِ وَالْجُذَامِ وَمِنْ سَيِّئِ الْأَسْقَامِ
Transliteration: Allaahumma innee a'oodhu bika minal-barasi wal-junooni wal-judhaami wa min sayyi'il-asqaam
Translation: O Allah, I seek refuge in You from leprosy, madness, elephantiasis, and from the worst of diseases.
Reference: Abu Dawud 2:87, An-Nasa'i