"Once, an epidemic was spreading from one person to the next at the great monastery of the Glorious Sakya tradition. Whatever the mantric masters tried—effigies, tormas, medicines, mantras, protection-amulets, and so on—had no effect, and the monastery was in danger of annihilation. At that time, the master mahāsiddha Thangtong Gyalpo performed the refuge prayer which begins, “Sentient beings in number as vast as space”, then recited a number of Maṇi mantras, and said following the Teachers' words, “These aspirations become reality…”. At that time, the entire epidemic immediately ceased in dependence upon the performance of this prayer. Thereby, it became renowned as the vajra speech radiating cloud-like blessings entitled ‘The Prayer that Saved Sakya from Disease.’" Läs bönen här: https://www.lotsawahouse.org/tibetan-masters/thangtong-gyalpo/prayer-pacifying-fear-illness