The energy of that illustrious lord of the universe thereupon assumed the nature of a fierce fever and entered the body of Vritra the lord of Asuras.
ततो भगवतस्तेजो ज्वरो भूत्वा जगत्पतेः॥ समाविशत् तदा रौद्रो वृत्रं लोकपतिं तदा।