@ARTICLE{
author={Medic Snezana,Effraimidou Evgnosia,Cassimos Dimitrios C,Irakleidou Ioanna,Maltezou Helena C},
year={2026},
title={Outbreaks due to measles, mumps, rubella and varicella in schools: a systematic review of the literature},
journal={VACCINE},
volume={79},
number={},
pages={-},
document_type={Review},
} 

@ARTICLE{
author={Maltezou Helena C,Cassimos Dimitrios C,Sipsas Nikolaos V,Medic Snezana},
year={2025},
title={Adult Vaccinations Today-Innovations and Challenges for the Coming Years},
journal={VACCINES},
volume={13},
number={6},
pages={-},
document_type={Review},
} 

@ARTICLE{
author={Maltezou Helena C,Medic Snezana,Cassimos Dimitrios C,Effraimidou Evgnosia,Poland Gregory A},
year={2025},
title={Routine vaccination rates globally: A continuing and alarming situation},
journal={VACCINE},
volume={59},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Effraimidou Evgnosia,Cassimos Dimitrios C,Medic Snezana,Topalidou Maria,Theodoridou Maria,Maltezou Helena C},
year={2023},
title={Vaccination programs for children aged up to 18 years in Europe, 2020},
journal={JOURNAL OF CHILD HEALTH CARE},
volume={27},
number={3},
pages={336-350},
document_type={Article},
} 

@ARTICLE{
author={Maltezou Helena C,Medic Snezana,Cassimos Dimitrios C,Effraimidou Evgnosia,Poland Gregory A},
year={2022},
title={Decreasing routine vaccination rates in children in the COVID-19 era},
journal={VACCINE},
volume={40},
number={18},
pages={2525-2527},
document_type={Editorial Material},
} 

@ARTICLE{
author={Maltezou Helena C,Effraimidou Evgnosia,Cassimos Dimitrios C,Medic Snezana,Topalidou Maria,Konstantinidis Theocharis,Theodoridou Maria,Rodolakis Alexandros},
year={2021},
title={Vaccination programs for pregnant women in Europe, 2021},
journal={VACCINE},
volume={39},
number={41},
pages={6137-6143},
document_type={Article},
} 

@ARTICLE{
author={Cassimos Dimitrios C,Effraimidou Evgnosia,Medic Snezana,Konstantinidis Theoharis,Theodoridou Maria,Maltezou Helena C},
year={2020},
title={Vaccination Programs for Adults in Europe, 2019},
journal={VACCINES},
volume={8},
number={1},
pages={-},
document_type={Article},
}