The best predictor of decline in immune function if HIV patient is _____?

The best predictor of decline in immune function if HIV patient is _____?

اگر ایچ آئی وی کا مریض _____ ہے تو مدافعتی فعل میں کمی کا بہترین پیش گو؟
Explanation

CD4 T cells count is the best predictor of decline in immune function in HIV patients.

A lower CD4 count indicates more severe immune system impairment.