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OpenAlex Citation Counts

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OpenAlex is a bibliographic catalogue of scientific papers, authors and institutions accessible in open access mode, named after the Library of Alexandria. It's citation coverage is excellent and I hope you will find utility in this listing of citing articles!

If you click the article title, you'll navigate to the article, as listed in CrossRef. If you click the Open Access links, you'll navigate to the "best Open Access location". Clicking the citation count will open this listing for that article. Lastly at the bottom of the page, you'll find basic pagination options.

Requested Article:

Duration of immune protection of SARS-CoV-2 natural infection against reinfection
Hiam Chemaitelly, Nico Nagelkerke, Houssein H. Ayoub, et al.
Journal of Travel Medicine (2022) Vol. 29, Iss. 8
Open Access | Times Cited: 90

Showing 1-25 of 90 citing articles:

Past SARS-CoV-2 infection protection against re-infection: a systematic review and meta-analysis
Caroline Stein, Hasan Nassereldine, Reed J D Sorensen, et al.
The Lancet (2023) Vol. 401, Iss. 10379, pp. 833-842
Open Access | Times Cited: 309
SARS-CoV-2-specific T cells in the changing landscape of the COVID-19 pandemic
Antonio Bertoletti, Nina Le Bert, Anthony T. Tan
Immunity (2022) Vol. 55, Iss. 10, pp. 1764-1778
Open Access | Times Cited: 94
SARS-CoV-2-specific nasal IgA wanes 9 months after hospitalisation with COVID-19 and is not induced by subsequent vaccination
Felicity Liew, Shubha Talwar, Andy Cross, et al.
EBioMedicine (2022) Vol. 87, pp. 104402-104402
Open Access | Times Cited: 88
Long-term COVID-19 booster effectiveness by infection history and clinical vulnerability and immune imprinting: a retrospective population-based cohort study
Hiam Chemaitelly, Houssein H. Ayoub, Patrick Tang, et al.
The Lancet Infectious Diseases (2023) Vol. 23, Iss. 7, pp. 816-827
Open Access | Times Cited: 70
Protection against Reinfection with the Omicron BA.2.75 Subvariant
Hiam Chemaitelly, Patrick Tang, Peter Coyle, et al.
New England Journal of Medicine (2023) Vol. 388, Iss. 7, pp. 665-667
Open Access | Times Cited: 41
Differential protection against SARS-CoV-2 reinfection pre- and post-Omicron
Hiam Chemaitelly, Houssein H. Ayoub, Peter Coyle, et al.
Nature (2025)
Open Access | Times Cited: 2
SARS-CoV-2 seroprevalence in children worldwide: a systematic review and meta-analysis
Reza Naeimi, Mahdi Sepidarkish, Abolfazl Mollalo, et al.
EClinicalMedicine (2022) Vol. 56, pp. 101786-101786
Open Access | Times Cited: 50
Duration of BA.5 neutralization in sera and nasal swabs from SARS-CoV-2 vaccinated individuals, with or without omicron breakthrough infection
Delphine Planas, Isabelle Staropoli, Françoise Porot, et al.
Med (2022) Vol. 3, Iss. 12, pp. 838-847.e3
Open Access | Times Cited: 37
Hybrid Immunity to SARS-CoV-2 from Infection and Vaccination—Evidence Synthesis and Implications for New COVID-19 Vaccines
Júlia Spinardi, Amit Srivastava
Biomedicines (2023) Vol. 11, Iss. 2, pp. 370-370
Open Access | Times Cited: 32
Effects of previous infection, vaccination, and hybrid immunity against symptomatic Alpha, Beta, and Delta SARS-CoV-2 infections: an observational study
Heba N. Altarawneh, Hiam Chemaitelly, Houssein H. Ayoub, et al.
EBioMedicine (2023) Vol. 95, pp. 104734-104734
Open Access | Times Cited: 32
Protection of natural infection against reinfection with SARS-CoV-2 JN.1 variant
Hiam Chemaitelly, Peter Coyle, Mohamed Ali Ben Hadj Kacem, et al.
Journal of Travel Medicine (2024) Vol. 31, Iss. 4
Open Access | Times Cited: 11
Does natural and hybrid immunity obviate the need for frequent vaccine boosters against SARS‐CoV‐2 in the endemic phase?
Stefan Pilz, John P. A. Ioannidis
European Journal of Clinical Investigation (2022) Vol. 53, Iss. 2
Open Access | Times Cited: 28
Bivalent mRNA-1273.214 vaccine effectiveness against SARS-CoV-2 omicron XBB* infections
Hiam Chemaitelly, Houssein H. Ayoub, Sawsan AlMukdad, et al.
Journal of Travel Medicine (2023) Vol. 30, Iss. 5
Open Access | Times Cited: 18
The Optimal Strategies to Be Adopted in Controlling the Co-Circulation of COVID-19, Dengue and HIV: Insight from a Mathematical Model
Andrew Omame, Aeshah A. Raezah, Uchenna Diala, et al.
Axioms (2023) Vol. 12, Iss. 8, pp. 773-773
Open Access | Times Cited: 17
Incidence, severity, risk factors and outcomes of SARS-CoV-2 reinfections during the Omicron period: a systematic review and meta-analysis
Durga Kulkarni, Bohee Lee, Nabihah Farhana Ismail, et al.
Journal of Global Health (2025) Vol. 15
Open Access
COVID-19 Case Fatality Rate and Infection Fatality Rate from 2020 to 2023: Nationwide Analysis in Austria
Uwe Riedmann, Alena Chalupka, Lukas Richter, et al.
Journal of Infection and Public Health (2025) Vol. 18, Iss. 4, pp. 102698-102698
Open Access
Evaluating Hospital Admission Data as Indicators of COVID-19 Severity: A National Assessment in Qatar
Layan Sukik, Hiam Chemaitelly, Houssein H. Ayoub, et al.
Open Forum Infectious Diseases (2025) Vol. 12, Iss. 3
Open Access
Estimates of SARS-CoV-2 Infections and Population Immunity After the COVID-19 Pandemic in Austria: Analysis of National Wastewater Data
Uwe Riedmann, Alena Chalupka, Lukáš Richter, et al.
The Journal of Infectious Diseases (2025)
Open Access
Protection of vaccination versus hybrid immunity against infection with COVID-19 Omicron variants among Health-Care Workers
Fotinie Ntziora, Evangelia Georgia Kostaki, Αmalia Karapanou, et al.
Vaccine (2022) Vol. 40, Iss. 50, pp. 7195-7200
Open Access | Times Cited: 23
Effectiveness of a fourth SARS‐CoV‐2 vaccine dose in previously infected individuals from Austria
Alena Chalupka, Lukas Richter, Ali Chakeri, et al.
European Journal of Clinical Investigation (2023) Vol. 54, Iss. 3
Open Access | Times Cited: 15
Population immunity of natural infection, primary-series vaccination, and booster vaccination in Qatar during the COVID-19 pandemic: an observational study
Suelen H. Qassim, Hiam Chemaitelly, Houssein H. Ayoub, et al.
EClinicalMedicine (2023) Vol. 62, pp. 102102-102102
Open Access | Times Cited: 13
Post-Vaccination Neutralization Responses to Omicron Sub-Variants
Henning Jacobsen, Maeva Katzmarzyk, Melissa M. Higdon, et al.
Vaccines (2022) Vol. 10, Iss. 10, pp. 1757-1757
Open Access | Times Cited: 21
Trends in Antibody Titers after SARS-CoV-2 Vaccination—Insights from Self-Paid Tests at a General Internal Medicine Clinic
Hiroshi Kusunoki, Kazumi Ekawa, Masakazu Ekawa, et al.
Medicines (2023) Vol. 10, Iss. 4, pp. 27-27
Open Access | Times Cited: 11
How quickly does COVID immunity fade? What scientists know
Cassandra Willyard
Nature (2023)
Closed Access | Times Cited: 10
Predictors of reinfection with pre-Omicron and Omicron variants of concern among individuals who recovered from COVID-19 in the first year of the pandemic
Dani Cohen, Marina Izak, Evgeniy Stoyanov, et al.
International Journal of Infectious Diseases (2023) Vol. 132, pp. 72-79
Open Access | Times Cited: 10
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