较发达国家与欠发达国家对个体患者结核的诊断和治疗大致相同,然而,由于在病例数、财力及管理方面的不同导致两者之间巨大的差异。结核可分为两种类型:传染性结核(即活动性结核)和复发性结核。在复发性病例中,疾病发展有可能在感染许多年后发生。在较发达国家,发生在老年人和移民中的绝大多数病例为复发性结核;相比之下,在欠发达国家,每年更高的年感 The diagnosis and treatment of tuberculosis in individual patients are much the same in both developed and less developed countries, however, resulting in huge differences between the two due to differences in the number of cases, financial resources and management. Tuberculosis can be divided into two types: infectious tuberculosis (ie active tuberculosis) and recurrent tuberculosis. In recurrent cases, disease progression is likely to occur many years after infection. In the more developed countries, the overwhelming majority of cases of elderly people and immigrants are recurrent tuberculosis; in contrast, in less developed countries, the annual yearly flu