(CNN) — A highly anticipated new shot that can protect newborns from the ravages of respiratory syncytial virus may not be available to some families<a class="excerpt-read-more" href="https://wsvn.com/news/us-world/theres-a-new-shot-to-protect-newborns-from-a-serious-respiratory-virus-but-parents-may-not-be-able-to-get-it/">Read More</a>