You can block it. The unit won't heat or cool that room anymore though. The return air does effect supply air temp. And heat pump efficiency. With a 60 degree return air temp, the heat pump is more efficient then with a 70 degree return air temp.
We are simply getting contaminated causing otherwise healthy folks to lose the function of their kidneys and for a senior citizen who is already suffering sarcopenia this can be a death sentence because of the complexities associated with Renal Failure.
LeukineÂ® (sargramostim) is contraindicated in patients with excessive leukemic myeloid blasts in bone marrow or peripheral blood (â¥ 10%), in patients with known hypersensitivity to GM-CSF, yeast derived products or any component of Leukine, and for concomitant use with chemotherapy and radiotherapy.