僅用于工業應用或科學研究，不可用于人類或動物的臨床診斷或治療，非藥用. Nirsevimab （MEDI8897） is a recombinant human respiratory syncytial virus （RSV） monoclonal antibody with modified Fc region, which can prolong its half-life. Nirsevimab has an affinity for RSV-B with an Kd value of 1.5 nM. Nirsevimab can be used for RSV research