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.
Prosecutors, who were also told about the additional killings, said they did not know whether to believe Mr. Harvey. In a plea agreement approved today in Hamilton County Court, Mr. Harvey avoided the death penalty by pleading guilty to the murders, 21 of them involving patients at Daniel Drake Memorial Hospital. Judge William S. Mathews sentenced Mr. Harvey to three concurrent life terms.