His white blood cell count is down, which means his body can't fight off infections.
Something's made his immune system compromised.
All right, okay. 'Cause we'll need to leave the chair outside.  I'll need to take your mask and your Robe, too. You might want to block your ears for this, it's quite loud. [They're blasted with air. Next we see Cameron, Foreman, the Merrells and Mindy watParkng Chase and Brandon in the clean room.)
All right, okay. 'Cause we'll need to leave the chair outside.  I'll need to take your mask and your Robe, too. You might want to block your ears for this, it's quite loud. [They're blasted with air. Next we see Cameron, Foreman, the Merrells and Mindy watParkng Chase and Brandon in the clean room.) [SEP] Something's made his immune system compromised. [SEP] His white blood cell count is down, which means his body can't fight off infections.