The nanoparticle platform for this respiratory syncytial virus study will be applied to vaccine research on flu, HIV, and more; Seattle startup Icosavax will advance related clinical trials

A first-of-its-kind nanoparticle vaccine candidate for respiratory syncytial virus has been designed in an international research effort. RSV is second only to malaria as a cause of infant mortality worldwide. The new vaccine elicits potent neutralizing antibodies against RSV in both mice and monkeys. The animal research findings, reported March 7 in the journal Cell, pave the way for human clinical trials.

RSV infects nearly all children by the age of three. Infection typically causes mild symptoms, but can be more serious in newborns, immunocompromised individuals and the elderly. In the United States, RSV is the leading cause of pneumonia in babies under a year old.

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