npj Vaccines is an online-only, open access, multidisciplinary journal that is dedicated to publishing the finest and most high-quality research and development on human and veterinary vaccines. Given the public health importance of vaccines, in addition to publishing high-quality original research, npj Vaccines also publishes commentaries, News and Views, research highlights, editorials, and correspondence from readers, to provide state-of-the-art information for those interested in vaccines. The journal is part of the Nature Partner Journals series, and is published in partnership with the Sealy Center for Vaccine Development at the University of Texas Medical Branch at Galveston.