Characterisation of measles after the introduction of the combined measles-mumps-rubella (MMR) vaccine in 2004 with focus on the laboratory data, 2016 to 2019 outbreak, Romania Lazar, Mihaela and Stănescu, Aurora and Penedos, Ana Raquel and Pistol, Adriana, Eurosurveillance, 24, 1900041 (2019), https://doi.org/10.2807/1560-7917.ES.2019.24.29.1900041