Immunogenicity and safety of measles-mumps-rubella vaccine delivered by the aerosol, intradermal and intramuscular routes in previously vaccinated young adults: a randomized controlled trial protocol - Sumanta Saha; Melanie Millier; Ari Samaranayaka; Liza Edmonds; Emma Best; James Ussher; Andrew Anglemyer; Jennifer Lee; Michael Tatley; Felicity Cutts; Rob van Binnendijk; Peter McIntyre (PLoS ONE, 2025)