Use of Formalin-Treated Red Cells for the Study of Influenza A Virus Hemagglutinating Activity

Abstract

Human ery-throcytes, modified by 2-3 days'' treatment with 10-50% formalin, retain their ability to adsorb and elute, as well as agglutinate with, influenza A virus. Such modified cells are stable for at least 2 yrs., are resistant to hemolytic agents, and have been found useful in expts. involving hypotonic solns.