Similarly, Farber examined seasonal RSV and bronchiolitis hospitalization rates among 29 to <32 wGA infants in Texas Medicaid plans during 2012–2015 and did not observe a difference across seasons. 31 However, Texas Medicaid continued to provide RSV prophylaxis to 29 to <32 wGA infants in 2014–2015, so no difference would be expected. 32 Although the impact of the AAP guidance change may be significant to the population of infants 29 to 34 wGA, it may be obscured when evaluating the burden of RSV on all infants as a single group. 33 Because infants 29 to 34 wGA represent approximately 3% of all births 34 and not all are <3 months old during the RSV season, the negative impact in this small but high-risk population will be undetectable in analyses that combine data for infants of all gestational ages and chronological ages.
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The 2014-2015 National Impact of the 2014 American Academy of Pediatrics Guidance for Respiratory Syncytial Virus Immunoprophylaxis on Preterm Infants Born in the United States.
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