Research ArticleInfectious Disease

A highly potent extended half-life antibody as a potential RSV vaccine surrogate for all infants

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Science Translational Medicine  03 May 2017:
Vol. 9, Issue 388, eaaj1928
DOI: 10.1126/scitranslmed.aaj1928

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Pan-RSV prophylaxis

The common respiratory syncytial virus (RSV) can progress to a very dangerous lower respiratory infection in some infants. A protective monoclonal antibody is available but is not recommended for general use. Zhu et al. describe the selection and optimization of a human monoclonal antibody able to neutralize a wide array of RSV A and B viruses and protect cotton rats at lower doses than the currently approved antibody. The antibody was optimized to persist in circulation, and data indicate that infants could be given a single dose and be protected for the entirety of the RSV season. If administered widely, this antibody could potentially prevent the hospitalization of thousands of children each year.