Table 1.

Description of the manuscripts accepted for the Special Issue “Vaccination and Vaccine Effectiveness” in chronological publishing order.

Authorship	Research Topic	Location	Timeframe	Study Methodology	Main Findings
Pacenti et al. [10]	Measles vaccination uptake and seroprevalence	Veneto Region (Italy)	2009–2012	Cross-sectional study	Measles outbreaks are common in areas with suboptimal vaccine coverage rates
			2014–2017
Costantino et al. [11]	Influenza vaccination adherence among Health care Workers (HCWs)	University Hospital of Palermo, Sicily, Italy	2007–2019	Quasi-experimental field trial	Increasing influenza vaccination coverage rates among HCWs could reduce working days lost due to acute sickness during influenza season
Piazza et al. [12]	Burden of hospitalization due to herpes zoster	Liguria Region, Italy	2015–2017	Retrospective cohort study	Herpes zoster causes a considerable burden of disease among elderly and frail people
Nicoli et al. [13]	Antibody and B cell response to HPV vaccines	Veneto and Emilia Romagna Regions, Italy	2018–2019	Observational study	HPV vaccines guarantee good humoral (IgG) and cellular (B cell-mediated) response
Cassimos et al. [14]	Vaccination policies for adults in Europe	42 European countries	2019	Observational study	Significant differences in vaccination programs for adults are observed among European countries
Restivo et al. [15]	HPV-related hospitalizations ten years after universal vaccine introduction	Sicilian Region, Italy	2007–2017	Retrospective observational study	A decrease in hospital admissions for cervical cancer and other HPV-related diseases emerged after HPV vaccine introduction
Bechini et al. [16]	Immunization status against measles, mumps, rubella and varicella (MMRV) in internationally adopted children (IAC)	Meyer Children’s University Hospital, Florence, Italy	2009–2018	Retrospective observational study	More than half of IAC (especially if aged 15–18 years and originating from Africa) are not protected against MMRV
Mascia et al. [17]	Adolescent vaccination behavior	Central Italy	2016–2018	Cross-sectional study	Adolescents share information and knowledge on vaccination through social networks
Gori et al. [18]	Impact of mandatory vaccination on MMRV vaccine adherence	Emilia Romagna and Sicilian Regions, Italy	2009–2018	Retrospective observational study	Legislative coercive measures applied in Italy have a favorable impact on MMRV vaccination coverage rates
Boccalini et al. [19]	Clinical and economic impact of MMRV vaccination on IAC	Meyer Children’s University Hospital, Florence, Italy	2009–2018	Retrospective observational study	MMRV vaccination based on serotesting results is the most advantageous strategy for IAC
Trucchi et al. [20]	HPV vaccine knowledge and attitudes among young adults	Liguria and Apulia Regions, Italy	2017–2018	Cross-sectional study	Poor knowledge and good attitudes were found among undergraduates about HPV vaccination
Alimenti et al. [21]	Immunization protocols of IAC in Western countries	France, Italy, Spain, Ireland, UK, USA, Canada	2004–2019	Review	Substantially different approaches to immunization protocols of IAC children have emerged in Western countries
Glatman-Freedman et al. [22]	Drifted influenza A (H3N2) clade in influenza season 2018/2019	Israel Influenza Surveillance Network	2018–2019	Observational study	Vaccine effectiveness of influenza vaccination varies according to different clades of influenza A (H3N2) virus
Barbara et al. [23]	Influenza vaccination coverage rates among HCWs	Catholic University Hospital of Rome, Italy	2015–2019	Quasi-experimental field trial	Vaccination adherence among HCWs increased after evidence-based promoting strategies
Panatto et al. [24]	Influenza vaccination effectiveness (VE) and adherence among HCWs	Lombardy and Liguria Regions, Italy	2018–2019	Case-control test negative and retrospective cohort studies	Influenza vaccination VE during 2018/2019 was below 50%, and vaccination adherence could limit influenza.
Zanella et al. [25]	Hepatitis B virus (HBV) seroprevalence in pediatric and adolescent populations	Tuscany Region, Italy	2017–2018	Observational study	HBV seroprevalence highlights that immunity due to universal vaccination reduced circulation of the virus in pediatric and adolescent populations