तं चेदेतस्मिन्वयसि किंचिदुपतपेत्स ब्रूयात्प्राणा वसव इदं मे प्रातःसवनं माध्यंदिनंसवनमनुसंतनुतेति माहं प्राणानां वसूनां मध्ये यज्ञो विलोप्सीयेत्युद्धैव तत एत्यगदो ह भवति ॥ ३.१६.२ ॥
In plain words
If any sickness should afflict him at that age, let him say, "Ye breaths, ye Vasus, join this morning pressing of mine to the midday pressing; let me, who am the sacrifice, not be cut off in the midst of the breaths, the Vasus." And he rises up from it and becomes free of sickness.