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Respiratory Syncytial Virus

Macaque model used to assess safety of nonreplicating candidate RSV vaccines

Published in Vaccine Weekly, January 8th, 2003

A study in macaques showed that "formalin-inactivated respiratory syncytial virus (RSV) [induced] interleukin-13-associated hypersensitivity to subsequent RSV infection."

R.L. Deswart and colleagues, Erasmus MC, Institute of Virology, Netherlands, pointed out that RSV "is a major cause of severe respiratory disease in infants and the elderly. RSV vaccine development has been hampered by results of clinical trials in the 1960s, when formalin-inactivated whole-RSV preparations adjuvated with alum (FI-RSV) were found to predispose infants for enhanced disease following subsequent natural RSV infection."

In their study, the virologists "reproduced this...

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