text: Diagnosis of<unk><unk>  is usually made by a positive serological test result.  Evidence of viral antigen in tissue by immunohistochemistry, or the presence of amplifiable viral RNA sequences in blood or tissue, with a compatible history of HPS, is considered diagnostic for HPS.
option_0: Hantavirus infection laboratory findings
option_1: Hantavirus infection physical examination
option_2: Typhoid fever laboratory findings
option_3: Paratyphoid fever laboratory findings
option_4: Avian influenza laboratory findings
option_5: Trench fever laboratory findings
option_6: Zika virus infection laboratory findings
option_7: Coronavirus laboratory findings