Status Influenza ( Flu ) A & B Rapid Immunoassay for Direct Detection and Differential Diagnosis of Influenza Type A and Type B Antigens, 25 tests/kit - Network Lab Supplies Status Influenza ( Flu ) A & B Rapid Immunoassay for Direct Detection and Differential Diagnosis of Influenza Type A and Type B Antigens, 25 tests/kit - Network Lab Supplies