The US CDC reports a significant decrease in RSV hospitalizations for infants due to newly introduced vaccines and monoclonal antibody treatments. This winter marked the first RSV season with these preventive measures, resulting in up to a 56% drop in hospitalizations among infants under seven months old and 71% in newborns. Medical professionals observed milder cases requiring less intensive care. The effectiveness of the vaccine and treatment reflects an important advancement in protecting vulnerable infants from serious RSV infections, which had previously led to increased hospitalization rates.
The young children who did get sick enough to go to the emergency room often needed lower levels of care, indicating a significant positive trend in RSV cases.
Compared with previous RSV seasons from 2018 to 2020, this year's RSV hospitalizations in babies under seven months dropped by as much as 56%, signaling vaccine effectiveness.
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