Several laboratory tests are used to confirm a diagnosis of HFRS in patients with a clinical history compatible with the disease. Such patients are determined to have HFRS if they have serologic test results positive for hantavirus infection, evidence of hantavirus antigen in tissue by immunohistochemical staining and microscope examination, or evidence of hantavirus RNA sequences in blood or tissue.
How is HFRS diagnosed?
Several laboratory tests are used to confirm a diagnosis of {{ORGANIZATION}} in patients with a clinical history compatible with the disease. Such patients are determined to have {{ORGANIZATION}} if they have serologic test results positive for hantavirus infection, evidence of hantavirus antigen in tissue by immunohistochemical staining and microscope examination, or evidence of hantavirus {{ORGANIZATION}} sequences in blood or tissue.