Reference for Menachot 48:5

אבל הכא דאידי ואידי טומאה קלה לא

it would be unclean by reason of contact with one that had an issue.<span class="x" onmousemove="('comment',' For as soon as it is used as a curtain the midras uncleanness vanishes and there remains now the uncleanness from contact with one that had an issue.');">³</span>

Jastrow