Respiratory syncytial virus (RSV) vaccine effectiveness against RSV-associated hospitalisations and emergency department encounters among adults aged 60 years and older in the USA, October, 2023, to March, 2024: a test-negative design analysis. - Payne AB; Watts JA; Mitchell PK; Dascomb K; Irving SA; Klein NP; Grannis SJ; Ong TC; Ball SW; DeSilva MB; Natarajan K; Sheffield T; et al. (Lancet (London, England), 2024)