由于红细胞增多可能需要降低剂量或停止治疗，故应在开始治疗前、初始治疗后的3 ~ 6个月以及随后的每年检测红细胞比积。
Because polycythemia may require dose reductions or discontinuation of therapy, hematocrit should be obtained at baseline, 3 to 6 months after initiation of therapy, and annually thereafter.
准确的诊断这些感染以及随后选择最适宜的治疗，只能在全面评估病人。
An accurate diagnosis of these infections and the subsequent choice of the most appropriate therapy can only be made after a thorough evaluation of the patient.
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