OOIR: Observatory of International Research

Papers

(The H4-Index of Expert Review of Vaccines is 33. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Estimating the lifetime cost of vaccination in 23 European Countries: a modeling study	182
Expert review of global real-world data on COVID-19 vaccine booster effectiveness and safety during the omicron-dominant phase of the pandemic	166
Safety profile of COVID-19 vaccines, preventive strategies, and patient management	137
Review of scientific evidence to support recommendations of the full-dose DTaP-IPV vaccination in pre-school age children in Italy	89
Effectiveness of an mRNA vaccine booster dose against SARS-CoV-2 infection and severe COVID-19 in persons aged ≥60 years and other high-risk groups during predominant circulation of the delta variant	85
Toward an effective Staphylococcus vaccine: why have candidates failed and what is the next step?	83
Additional considerations for anti-tick vaccine research	72
Evaluating the reactogenicity of COVID-19 vaccines from network-meta analyses	71
Immune persistence induced by two-dose BBIBP-CorV vaccine with different intervals, and immunogenicity and safety of a homologous booster dose in high-risk occupational population	66
Challenges in vaccine transport: can we deliver without the cold chain?	65
Response to: letter to “Self-controlled case series design in vaccine safety: a systematic review”	63
Safety of primary immunization with a DTwP-HBV/Hib vaccine in healthy infants: a prospective, open-label, interventional, phase IV clinical study	59
Further implications on the global real-world vaccine effectiveness against SARS-CoV-2	58
Overcoming scientific barriers in the transition fromin vivoto non-animal batch testing of human and veterinary vaccines	56
Relationship between attitudes toward the effectiveness of vaccine, concerns about adverse reactions, and proactively taking SARS-Cov-2 vaccine for family among medical workers in Taizhou, China	56
COVID-19 vaccines coverage and effectiveness against SARS-CoV-2 infection among residents in the largest Health Authority of Lazio region (Italy): a population-based cohort study	56
Pneumococcal vaccine implementation in the African meningitis belt countries: the emerging need for alternative strategies	55
A review of data systems for assessing the impact of HPV vaccination in selected high-income countries	50
Eradicating polio in Pakistan: a systematic review of programs and policies	50
Monkeypox pandemic containment: does the ACAM2000 vaccine play a role in the current outbreaks?	49
Estimating the time required to reach HPV vaccination targets across Europe	49
Indirect protection from rotavirus vaccines: a systematic review	48
Global prevalence of acceptance of COVID-19 vaccines and associated factors in pregnant women: a systematic review and meta-analysis	44
Safety of live attenuated influenza vaccine (LAIV) in children and adults with asthma: a systematic literature review and narrative synthesis	43
Parental category B vaccine hesitancy and associated factors in China: an online cross-sectional survey	41

The associations of geographic location and perceived risk of infection with the intentions to get vaccinated against COVID-19 in China	41
Approaches in broadening the neutralizing antibody response of the influenza vaccine	40
Knowledge, attitudes, and perceptions towards pneumococcal vaccines among adults in the United States	38
COVID-19 vaccine equity: a health systems and policy perspective	36
Measuring psychosocial determinants of vaccination behavior in healthcare professionals: validation of the Pro-VC-Be short-form questionnaire	36
Should we be vaccinating children against COVID-19 in high-income countries?	35
Current status of COVID-19 vaccination: safety and liability concern for children, pregnant and lactating women	34
Public preferences and willingness to accept a hypothetical vaccine to prevent a pandemic in Japan: a conjoint analysis	33