Development of Resistance of Influenza B Virus to Polysaccharides

See allHide authors and affiliations

Science  19 Dec 1958:
Vol. 128, Issue 3338, pp. 1571
DOI: 10.1126/science.128.3338.1571


Algal polysaccharide obtained from carrageenin protects 80 to 100 percent of chicken embryos against fatal infections with the Lee strain of influenza virus. This report describes the rapid emergence of a stable variant of this virus which is resistant to the protective action of this polysaccharide.