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.
lochia ruÂ´bra that occurring immediately after childbirth, consisting of blood, fragments of decidua, and mucus. It usually lasts from 1 to 3 days. lochia sanguinolenÂ´ta (lochia seroÂ´sa) the vaginal discharge occurring 3 to 10 days after delivery. It is pink or brown-tinged and contains blood, mucus, and leukocytes.