最近,我收到了一封网友的信,她得了肿瘤,需要化疗,住院检查时发现她乙肝五项检测都是阴性。因为家中有乙肝病毒感染者,于是来信问我,她能不能打乙肝疫苗。另外,她认为自己免疫力低下,为预防感冒,她问我能不能打流感疫苗。肿瘤化疗患者常需使用一些抑制免疫系统的药物。还有一些免疫系统疾病、肾病的慢性病患者需要接受大剂量皮质如严 Recently, I received a letter from a netizen. She got a tumor and needed chemotherapy. When she was hospitalized, she found that all five HBV tests were negative. Because of hepatitis B virus infection at home, I wrote a letter asking if she could fight hepatitis B vaccine. In addition, she considered her immunity was low, in order to prevent a cold, she asked me if I could get a flu vaccine. Chemotherapy patients often need to use some drugs to suppress the immune system. There are also some immune system diseases, chronic diseases of kidney disease patients need to accept high doses of cortex as strict