Researchers are using lambs as the next logical step after rodents to study this disease as lambs are roughly the same size as newborns and the virus replicates well in their respiratory tract. There is no vaccine for this virus and treatments have been around for quite some time but this new research give s way to more refined treatments and a better pathway to study this infection in newborns. Please click below for more on this new study.
http://medicalxpress.com/news/2014-10-perspectives-rsv-vaccine.html#inlRlv
http://medicalxpress.com/news/2014-10-veterinary-lambs-advances-treatments-respiratory.html