Chizaram Onyeaghala

University of Port Harcourt

Also at University of Port Harcourt Teaching Hospitalfrom their recent papers

Publishing since 2021, latest 2026

Infectious Diseases
Epidemiology
Virology
Health
Public Health, Environmental and Occupational Health
Immunology

Publications: 602021–2026
Citations: 719to those papers
h-index: 8i10-index 7
Field-weighted impact: 2.511.00 is the world average
World top 10%: 20%12 of 60 scored papers
Open access: 95%57 papers free to read

7 other works — preprints, datasets and the like — are listed but not counted.

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Infectious Diseases2135%

Career

On their papers

Every institution they have given on a paper.

Publications

60 in all

Public perception and health behaviours related to diphtheria risk in Northern Nigeria
2026Discover Public HealthJournalOpen access0 citations10.1186/s12982-026-01759-8
The WHO pandemic agreement—securing Africa’s leadership in a fragmenting global order
2026BMJ Global HealthJournal

Download CV:PDFWord

Public Health, Environmental and Occupational Health1017%

Complementary and alternative medicine47%

Emergency Medical Services47%

Emergency Medicine47%

Health Sciences
Life Sciences
Social Sciences

Topics most written on

Poxvirus research and outbreaks12
Vaccine Coverage and Hesitancy9
Viral Infections and Outbreaks Research8
Virology and Viral Diseases7
Disaster Response and Management4
Global Maternal and Child Health4
Immune responses and vaccinations4
SARS-CoV-2 and COVID-19 Research4
Zoonotic diseases and public health4
African Botany and Ecology Studies3
Antibiotic Use and Resistance3
Biological Research and Disease Studies3

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

45% of their papers have a co-author abroad

papers co-written2345678Home

Most frequent partner countries

United Kingdom8
Sierra Leone5
United States5
Egypt4
Ghana4
Uganda4
Switzerland3
Denmark3

Papers with at least one author in that country.

Institutions written with most

University of Port Harcourt Teaching HospitalNG57 papers
Federal Teaching Hospital AbakalikiNG11 papers
University of NigeriaNG10 papers
Federal University of Technology OwerriNG9 papers
University of Nigeria Teaching HospitalNG8 papers
Ebonyi State UniversityNG7 papers
Abia State UniversityNG7 papers
Nnamdi Azikiwe UniversityNG6 papers
Gregory University UturuNG6 papers
Ahmadu Bello UniversityNG6 papers

Where they publish

Pan African Medical Journal5
Discover Public Health4
BMC Infectious Diseases3
BMJ Global Health3
Zenodo (CERN European Organization for Nuclear Research)3
BMC Public Health2
BMJ Public Health2
Figshare2

How it can be read

95% free to read

Diamond 17 · 28%Free to read and to publish
Gold 27 · 45%In an open-access journal
Hybrid 4 · 7%Open in a subscription journal
Bronze 2 · 3%Free to read, no open licence
Green

Development goals addressed

From each paper’s title and abstract

3Good health and well-being16
13Climate action5
2Zero hunger4
1No poverty3
9Industry, innovation and infrastructure3
6Clean water and sanitation2
5Gender equality1
17Partnerships for the goals1

Most cited

Mpox in people with advanced HIV infection: a global case series
The Lancet3
2023517 citationsWorld top 10%Open access · Bronze
Clinical characteristics and predictors of human mpox outcome during the 2022 outbreak in Nigeria: a cohort study
The Lancet Infectious Diseases3
202358 citationsWorld top 10%Open access · Bronze
Multisystem inflammatory syndrome (MIS-C) in an adolescent Nigerian girl with COVID-19: A call for vigilance in Africa
International Journal of Infectious Diseases
202119 citationsWorld top 10%Open access · Gold
Integrating digital health technologies into the healthcare system: Challenges and opportunities in Nigeria
PLOS Digital Health9
202517 citationsWorld top 10%Open access · Gold
Mpox and Chickenpox Coinfection: Case Series From Southern Nigeria
The Journal of Infectious Diseases3
202316 citations

Antimicrobial Resistance in the Post-Antibiotic Era: Novel Mechanisms and Therapeutic Alternatives

2026International Journal of Life Science Research ArchiveJournalOpen accessSenior author1 citation10.53771/ijlsra.2026.10.1.0015

A lifeline for the left behind: an urgent research agenda for mpox in advanced HIV

2026Considerations in MedicineJournalOpen accessSenior author0 citations10.1136/conmed-2026-000032

A message to Africa as Nigeria hosts the 5th Global High-Level Ministerial Conference on antimicrobial resistance

2026Antimicrobial Resistance and Infection ControlJournalOpen accessSenior authorCorresponding0 citations10.1186/s13756-026-01780-1

A defining clinical moment during the COVID-19 pandemic in Nigeria

2026The Lancet Infectious DiseasesJournalFirst authorCorresponding0 citations10.1016/s1473-3099(26)00306-3

Reframing pandemic preparedness: an intelligence-led solidarity model for multi-layered emergencies

2026Tropical Diseases Travel Medicine and VaccinesJournalOpen accessSenior author0 citations10.1186/s40794-026-00310-6

Neonatal mpox in Nigeria: a case of transplacental or postnatal transmission

2025BMC Infectious DiseasesJournalOpen accessFirst authorCorresponding7 citations10.1186/s12879-025-11362-y

Clinical Outcomes of Severe Lassa Fever in West Africa: A Systematic Review and Meta-Analysis

2025International Journal of Environmental Research and Public HealthJournalOpen accessCorresponding5 citations10.3390/ijerph22101504

Clinical outcomes of severe Lassa fever in West Africa: A systematic review and meta-analysis

2025Journal of Interventional Epidemiology and Public HealthJournalOpen accessFirst author1 citation10.37432/jieph-confpro5-00075

Managing penicillin resistant pneumococcal meningitis: an international id-iri study

2025European Journal of Clinical Microbiology & Infectious DiseasesJournalOpen access1 citation10.1007/s10096-025-05240-3

Phylogenetic Analysis of Plasmodium falciparum Strains in Nigeria

2025Path of ScienceJournalOpen accessSenior author0 citations10.22178/pos.120-31

Legal reform and female genital mutilation in Sierra Leone

2025The Lancet Obstetrics Gynaecology & Women s HealthJournalSenior author0 citations10.1016/j.lanogw.2025.09.006

Mpox in a non-HIV immunosuppressed host: a case report from Nigeria

2025Pan African Medical JournalJournalOpen accessFirst author0 citations10.11604/pamj.supp.2025.50.1.46082

Polio eradication in Africa: overcoming the final hurdles

2025Pan African Medical JournalJournalOpen access0 citations10.11604/pamj.supp.2025.51.1.49166

Workplace violence against health care workers in Nigeria

2022Nigerian Journal of MedicineJournalOpen access9 citations10.4103/njm.njm_102_22

A copy in a repository

Closed 3 · 5%Behind a paywall

Who funds it

1 of 60 papers name a funder

UNICEF1
United States Agency for International Development1