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The findings provide important clues to how to develop a safe, effective vaccine against respiratory syncytial virus (RSV), the main cause of wintertime hospital stays among babies and young children worldwide, Dr. Fernando P. Polack, the lead researcher on the study, told Reuters Health.
"A big concern for the scientists involved in RSV vaccine development is to make sure we do not repeat the same situation again," said Polack, who is also affiliated with the INFANT Foundation in Buenos Aires.