Ralf Krumkamp

Active 2009–2025

39
Papers
18,153
Citations
28
h-index
36
i10-index

Citations

Citations per year for Ralf Krumkamp1980: 1 citations1999: 1 citations2002: 2 citations2009: 1 citations2011: 3 citations2012: 1 citations2013: 1 citations2014: 8 citations2015: 6 citations2016: 12 citations2017: 20 citations2018: 27 citations2019: 78 citations2020: 152 citations2021: 118 citations2022: 725 citations2023: 1,158 citations2024: 2,142 citations2025: 1,092 citations2026: 21 citations1981–1998: no citations, so these years are not shown2000–2001: no citations, so these years are not shown2003–2008: no citations, so these years are not shown2010: no citations, so this year is not shown

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 1,325 citing papers, 11.5% of this breakdownChina: 989 citing papers, 8.5% of this breakdownUnited Kingdom: 967 citing papers, 8.4% of this breakdownGermany: 453 citing papers, 3.9% of this breakdownIndia: 445 citing papers, 3.8% of this breakdownAustralia: 370 citing papers, 3.2% of this breakdownFrance: 327 citing papers, 2.8% of this breakdownCanada: 320 citing papers, 2.8% of this breakdownItaly: 313 citing papers, 2.7% of this breakdownSpain: 298 citing papers, 2.6% of this breakdownSwitzerland: 290 citing papers, 2.5% of this breakdownSouth Africa: 252 citing papers, 2.2% of this breakdown
0%11.5%Other 45.1%

Fields

  • Biochemistry, Genetics and Molecular Biology31.4%
  • Immunology and Microbiology20.5%
  • Medicine18.9%
  • Environmental Science10.7%
  • Agricultural and Biological Sciences6.7%
  • Engineering2.5%
  • Other9.3%

Topics

  • Antibiotic Resistance in Bacteria13.1%
  • Antibiotic Use and Resistance8.9%
  • Pharmaceutical and Antibiotic Environmental Impacts4.7%
  • Bacterial Identification and Susceptibility Testing3.3%
  • Bacteriophages and microbial interactions2.7%
  • Antimicrobial Peptides and Activities2.5%
  • Other64.8%

Coauthors

All papers

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  1. Global burden of bacterial antimicrobial resistance in 2019: a systematic analysis

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Buddha Basnyat, Adrie Bekker, Rose Bender, James A. Berkley, B. Adhisivam, Julia Bielicki, Suppawat Boonkasidecha, James Bukosia, Cristina Gardonyi Carvalheiro, Carlos A Castañeda-Orjuela, Vilada Chansamouth, Suman Chaurasia, Sara Chiurchiù, Fazle Rabbi Chowdhury, Rafai Clotaire Donatien, Aislinn Cook, Ben S. Cooper, Tim R. Cressey, Elia Criollo-Mora, Matthew Cunningham, Saffiatou Darboe, Nicholas Day, Maia De Luca, Клара Докова, Angela Dramowski, Susanna Dunachie, Thuy Duong Bich, Tim Eckmanns, Daniel Eibach, Amir Emami, Nicholas Feasey, Natasha Fisher-Pearson, Karen Forrest, Coralith Garcia, Denise O. Garrett, Petra Gastmeier, Ababi Zergaw Giref, Rachel Greer, Vikas Gupta, Sebastian Haller, Andrea Haselbeck, Simon I Hay, Marianne Holm, Susan Hopkins, Yingfen Hsia, Kenneth Iregbu, Jan Jacobs, Daniel Jarovsky, Fatemeh Javanmardi, Adam Jenney, Meera Khorana, Suwimon Khusuwan, Niranjan Kissoon, Elsa Kobeissi, Tomislav Kostyanev, Fiorella Krapp, Ralf Krumkamp, Ajay Kumar, Hmwe Hmwe Kyu, Cherry Lim, Kruy Lim, Direk Limmathurotsakul, Michael J. Loftus, Miles Lunn, Jianing Ma, Anand Manoharan, Florian Marks, Jürgen May, Mayfong Mayxay, Neema Mturi and 75 more - The Lancet 2022 cited by 15,473

  2. The burden of bacterial antimicrobial resistance in the WHO African region in 2019: a cross-country systematic analysis

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Melaku Ashagrie Belete, James A. Berkley, Julia Bielicki, Denise Dekker, Dessalegn Demeke, Desalegn Getnet Demsie, Anteneh Mengist Dessie, Susanna Dunachie, Abdelaziz Ed‐Dra, Michael Ekholuenetale, Temitope Cyrus Ekundayo, Iman El Sayed, Muhammed Elhadi, Ibrahim Elsohaby, David W. Eyre, Adeniyi Francis Fagbamigbe, Nicholas Feasey, Ginenus Fekadu, Frederick Fell, Karen Forrest, Mesfin Gebrehiwot, Kebede Embaye Gezae, Ramy Mohamed Ghazy, Tewodros Tesfa Hailegiyorgis, Georgina Haines–Woodhouse, Ahmed I Hasaballah, Andrea Haselbeck, Yingfen Hsia, Arnaud Iradukunda, Kenneth Iregbu, Chidozie C D Iwu, Chinwe Juliana Iwu, Assefa N Iyasu, Fatoumatta Jaiteh, Hyonjin Jeon, Charity Ehimwenma Joshua, Gebrehiwot G Kassa, Patrick DMC Katoto, Ralf Krumkamp, Emmanuelle A. P. Kumaran, Hmwe Hmwe Kyu, Aseer Manilal, Florian Marks, Jürgen May, Susan A. McLaughlin, Barney McManigal, Addisu Melese, Kebede Haile Misgina, Nouh Saad Mohamed, Mustapha Mohammed, Shafiu Mohammed, Shikur Mohammed, Ali H. Mokdad, Catrin E. Moore, Vincent Mougin, Neema Mturi, Temesgen Mulugeta, Fungai Musaigwa, Patrick Musicha, Lillian Musila, Muthupandian Saravanan, Pirouz Naghavi, Hadush Negash, Dooshanveer C Nuckchady, Christina W. Obiero, Ismail Ayoade Odetokun, Oluwaseun Adeolu Ogundijo, Lawrence Okidi, Osaretin Christabel Okonji, Andrew T Olagunju and 30 more - The Lancet Global Health 2023 cited by 307

  3. Detection and Characterization of ESBL-Producing Escherichia coli From Humans and Poultry in Ghana

    Authors: , , , , , , , , , , , , - Frontiers in Microbiology 2019 cited by 170

  4. Incidence of invasive salmonella disease in sub-Saharan Africa: a multicentre population-based surveillance study

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Jürgen May, Christian G. Meyer, Eric D. Mintz, Joel M. Montgomery, A Niang, Chelsea Nichols, Beatrice Olack, Gi Deok Pak, Ursula Panzner, Jin Kyung Park, Se Eun Park, Henintsoa Rabezanahary, Raphaël Rakotozandrindrainy, Tiana Mirana Raminosoa, Tsiriniaina Jean Luco Razafindrabe, Emmanuel Sampo, Heidi Schütt‐Gerowitt, Amy Gassama Sow, Nimako Sarpong, Hye Jin Seo, Arvinda Sooka, Abdramane Soura, Adama Tall, Mekonnen Teferi, Kamala Thriemer, Michelle R. Warren, Biruk Yeshitela, John D. Clemens, Thomas F. Wierzba - The Lancet Global Health 2017 cited by 315

  5. The phylogeography and incidence of multi-drug resistant typhoid fever in sub-Saharan Africa

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Tiana Mirana Raminosoa, Leon Parfait Kabore, Emmanuel Sampo, Mekonnen Teferi, Biruk Yeshitela, Muna Ahmed El Tayeb, Arvinda Sooka, Christian G. Meyer, Ralf Krumkamp, Denise Dekker, Anna Jaeger, Sven Poppert, Adama Tall, A Niang, Morten Bjerregaard-Andersen, Sandra Valborg Løfberg, Hye Jin Seo, Hyon Jin Jeon, Jessica Fung Deerin, Jinkyung Park, Frank Konings, Mohammad Ali, John D. Clemens, Peter J. Hughes, Juliet Nsimire Sendagala, Tobias Vudriko, R. G. Downing, Usman N. Ikumapayi, Grant Mackenzie, Stephen Obaro, Silvia Argimón, David M. Aanensen, Andrew J. Page, Jacqueline A. Keane, Sebastián Duchêne, Zoe A. Dyson, Kathryn E. Holt, Gordon Dougan, Florian Marks, Stephen Baker - Nature Communications 2018 cited by 139

  6. Extended-spectrum beta-lactamase-producing Escherichia coli and Klebsiella pneumoniae in local and imported poultry meat in Ghana

    Authors: , , , , , , , , , , - Veterinary Microbiology 2018 cited by 89

  7. Fluoroquinolone-Resistant Salmonella enterica , Campylobacter spp., and Arcobacter butzleri from Local and Imported Poultry Meat in Kumasi, Ghana

    Authors: , , , , , , , , , , , - Foodborne Pathogens and Disease 2019 cited by 51

  8. Mobile Phone-Based mHealth Approaches for Public Health Surveillance in Sub-Saharan Africa: A Systematic Review

    Authors: , , , , - International Journal of Environmental Research and Public Health 2014 cited by 168

  9. Associations Between Eight Earth Observation‐Derived Climate Variables and Enteropathogen Infection: An Independent Participant Data Meta‐Analysis of Surveillance Studies With Broad Spectrum Nucleic Acid Diagnostics

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Estomih Mduma, Pablo Peñataro Yori, Zulfiqar A Bhutta, Pascal Bessong, Maribel Paredes Olórtegui, Aldo Â. M. Lima, Gagandeep Kang, Jean H. Humphrey, Andrew J. Prendergast, Robert Ntozini, Kazuhisa Okada, Warawan Wongboot, James Gaensbauer, Mario T. Melgar, Tuula Pelkonen, Cesar Mavacala Freitas, Margaret Kosek - GeoHealth 2021 cited by 60

  10. Carriage of ESBL-producing Klebsiella pneumoniae and Escherichia coli among children in rural Ghana: a cross-sectional study

    Authors: , , , , , , , , , , , , , - Antimicrobial Resistance and Infection Control 2023 cited by 25

  11. Incidence and Characteristics of Bacteremia among Children in Rural Ghana

    Authors: , , , , , , , , , , , , , - PLoS ONE 2012 cited by 108

  12. Comparative genomics revealed adaptive admixture in Cryptosporidium hominis in Africa

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Simone M. Cacciò - Microbial Genomics 2020 cited by 32

  13. Prevalence and Antibiotic Resistance in Campylobacter spp. Isolated from Humans and Food-Producing Animals in West Africa: A Systematic Review and Meta-Analysis

    Authors: , , , , , , , , , , - Pathogens 2022 cited by 27

  14. The genomic epidemiology of multi-drug resistant invasive non-typhoidal Salmonella in selected sub-Saharan African countries

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Leon Parfait Kabore, Emmanuel Sampo, Mekonnen Teferi, Biruk Yeshitela, Muna Ahmed El Tayeb, Ralf Krumkamp, Denise Dekker, Anna Jaeger, Adama Tall, Amy Gassama, A Niang, Morten Bjerregaard-Andersen, Sandra Valborg Løfberg, Jessica Fung Deerin, Jin Kyung Park, Frank Konings, Megan E. Carey, Sandra Van Puyvelde, Mohammad Ali, John D. Clemens, Gordon Dougan, Stephen Baker, Florian Marks - BMJ Global Health 2021 cited by 42

  15. Pandemic influenza preparedness and health systems challenges in Asia: results from rapid analyses in 6 Asian countries

    Authors: , , , , , , , , , , , , - BMC Public Health 2010 cited by 87

  16. Controlled human malaria infection with Plasmodium falciparum demonstrates impact of naturally acquired immunity on virulence gene expression

    Authors: , , , , , , , , , , , , , , , - PLoS Pathogens 2019 cited by 56

  17. Spectrum of antibiotic resistant bacteria and fungi isolated from chronically infected wounds in a rural district hospital in Ghana

    Authors: , , , , , , , , , , , , , , , , - PLoS ONE 2020 cited by 30

  18. Transcriptomic signatures differentiate survival from fatal outcomes in humans infected with Ebola virus

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , - Genome biology 2017 cited by 148

  19. Antimicrobial Usage in Commercial and Domestic Poultry Farming in Two Communities in the Ashanti Region of Ghana

    Authors: , , , , , , , , , - Antibiotics 2021 cited by 47

  20. Spatiotemporal variation in risk of Shigella infection in childhood: a global risk mapping and prediction model using individual participant data

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Nicola Page, James A Platts-Mills, Cesar Mavacala Freitas, Tuula Pelkonen, Per Ashorn, Kenneth Maleta, Tahmeed Ahmed, Pascal Bessong, Zulfiqar A Bhutta, Carl J. Mason, Estomih Mduma, Maribel Paredes Olórtegui, Pablo Peñataro Yori, Aldo Â. M. Lima, Gagandeep Kang, Jean H. Humphrey, Robert Ntozini, Andrew J. Prendergast, Kazuhisa Okada, Warawan Wongboot, Nina Langeland, Sabrina J. Moyo, James Gaensbauer, Mario Melgar, Matthew C. Freeman, Anna N. Chard, Vonethalom Thongpaseuth, Eric R. Houpt, Benjamin F. Zaitchik, Margaret Kosek - The Lancet Global Health 2023 cited by 19

  21. The Relationship Between Invasive NontyphoidalSalmonellaDisease, Other Bacterial Bloodstream Infections, and Malaria in Sub-Saharan Africa

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Raphaël Rakotozandrindrainy, Emmanuel Sampo, Nimako Sarpong, Heidi Schütt‐Gerowitt, Arvinda Sooka, Abdramane Soura, Amy Gassama Sow, Adama Tall, Mekonnen Teferi, Biruk Yeshitela, Jürgen May, Thomas F. Wierzba, John D. Clemens, Stephen Baker, Florian Marks - Clinical Infectious Diseases 2016 cited by 76

  22. Common virulence gene expression in adult first-time infected malaria patients and severe cases

    Authors: , , , , , , , , , , , , , , , , , , , , - eLife 2021 cited by 40

  23. Gastrointestinal Infections and Diarrheal Disease in Ghanaian Infants and Children: An Outpatient Case-Control Study

    Authors: , , , , , , , , , - PLoS neglected tropical diseases 2015 cited by 77

  24. Controlling SARS: a review on China’s response compared with other SARS‐affected countries

    Authors: , , - Tropical Medicine & International Health 2009 cited by 71