In Theravada Buddhism, according to post-canonical Pali commentaries, the background story for the Ratana Sutta is that the town of Vesali (or Visala) was being plagued by disease, non-human beings and famine; in despair, the townspeople called upon the Buddha for aid; he had the Ven. Ananda go through town reciting this discourse leading to the dispersal of the town's woes.
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#Pandemic
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