Selected publications

  • Quah, Kellerine and Jin, Jingtong and Hammer, Charlotte Christiane. Reporting trends and seasonality in the World Health Organization’s Disease Outbreak News (DONs) across 1996–2023. PLOS Global Public Health, 6(4), e0004876, 2026.

  • Ng, Wee-Han and Bath, Michael F and Amoako, Joachim and Kohler, Katharina and Baderhabusha, Daniel U and Cáceres, Eder and Nuño-Guzmán, Carlos M and Moonesinghe, Ramani and Hobbs, Laura and Smith, Brandon G and others. Use of pre-operative blood products in abdominal trauma: a planned secondary analysis of the GOAL-trauma study. Eclinicalmedicine, 93, 2026.

  • Aziz, Riaz and Bath, Michael F and Abdelmohsen, Sarah M and Chukwu, Isaac and Saleh, Raoof and Cáceres, Eder and Nuño-Guzmán, Carlos M and Amoako, Joachim and Nagraj, Shobhana and Karusoke, Daphne K and others. Global variation in injury patterns, interventions, and post-operative outcomes for children and adolescents undergoing trauma laparotomy: an international cohort study. The Lancet Child & Adolescent Health, 2026.

  • Tasker, Alex and Formica, Lauren and Bowsher, Germma and Gibson-Fall, Fawzia and Hammer, Charlotte and McGillycuddy, Cat and Popescu, Saskia and Sorrell, Erin and Vial, Flavie. Global One Health Security: a conceptual framework for the ORBITS era. Available at SSRN 6847298, 2026.

  • Bullen, Jay C and Mohaghegh, Mina and Tahir, Fatima and Hammer, Charlotte and Sims, Jacob and Myers, Frederico and Eisinger, Lucas and Kasmati, Ali Reza and Trant, Claire F. Near-source wastewater surveillance of SARS-CoV-2, norovirus, influenza virus and RSV across five different sites in the UK. PLOS Global Public Health, 5(4), e0004397, 2025.

  • Bath, Michael F and Amoako, Joachim and Kohler, Katharina and Hashi, Abdullahi Said and Zhang, Zhongheng and Baderhabusha, Daniel U and Cáceres, Eder and Nuño-Guzmán, Carlos M and Marsden, Max and Carenzo, Luca and others. Global variation in patient factors, interventions, and postoperative outcomes for those undergoing trauma laparotomy: an international, prospective, observational cohort study. The Lancet Global Health, 13(11), e1837–e1848, 2025.

  • Edmiston, Thomas and Bath, Michael F and Caceres, Eder and Nuño-Guzmán, Carlos M and Baderhabusha, Daniel Umugisha and Khajanchi, Monty and Amoako, Joachim and Kohler, Katharina and Hashi, Abdullahi Said and Carenzo, Luca and others. Variation in global trauma care: a survey of 187 hospitals across 51 countries. BMJ Global Health, 10(11), e021784, 2025.

  • Hammer, Charlotte C and Diallo, Mariama Dalanda and Kann, Boubacar and Sanoh, Fatoumata and Leno, Tamba N’fantoma and Mansare, Oumar and Diakité, Ismail and Sow, Abdoulaye Djibril and Konate, Yacouba and Ryan-Castillo, Emilie and others. High prevalence of asymptomatic malaria in Forest Guinea: Results from a rapid community survey. Epidemiology & Infection, 152, e1, 2024.

  • Braam, Dorien Hanneke and Bolajoko, Muhammad-Bashir and Hammer, Charlotte C. A One Health approach to pastoral (im) mobility, health, and disease: a qualitative participatory study in Plateau State, Nigeria. PLOS Global Public Health, 4(10), e0003637, 2024.

  • Brainard, Julii and Swindells, Isabel Catalina and Wild, Joanna and Hammer, Charlotte Christiane and Hornsey, Emilio and Mahamed, Hibak Osman and Willet, Victoria. Emergency infection prevention and control training in fragile, conflict-affected or vulnerable settings: a scoping review. BMC Health Services Research, 24(1), 937, 2024.

  • Brainard, Julii and Swindells, Isabel Catalina and Hammer, Charlotte Christiane and Hornsey, Emilio. Programmes evaluated after teaching infection prevention and control training in health or social care settings: A mapping review. medRxiv, 2024.

  • Brainard, Julii and Jones, Natalia R and Harrison, Florence CD and Hammer, Charlotte C and Lake, Iain R. Super-spreaders of novel coronaviruses that cause SARS, MERS and COVID-19: a systematic review. Annals of Epidemiology, 82, 66–76, 2023.

  • Hahné, Susan and Hammer, Charlotte and Tostmann, Alma and Whelan, Jane and Williams, Christopher. Field Epidemiology: Fit for the future. Eurosurveillance, 28(36), 2300347, 2023.

  • Schaeffer, Justine and Hammer, Charlotte Christiane and Evlampidou, Iro and Bubba, Laura and Igloi, Zsofia and Dub, Timothée and Wendland, Annika and Whelan, Jane and Nielsen, Stine and Baidjoe, Amrish and others. Field Epidemiology and Public Health Microbiology training: capturing the alumni perspectives of the training’s impact. Eurosurveillance, 28(36), 2300388, 2023.

  • Hammer, Charlotte C and Dub, Timothee and Luomala, Oskari and Sane, Jussi. Is clinical primary care surveillance for tularaemia a useful addition to laboratory surveillance? An analysis of notification data for Finland, 2013 to 2019. Eurosurveillance, 27(4), 2100098, 2022.

  • Hammer, Charlotte C and Lyytikäinen, Outi and Arifulla, Dinah and Toura, Saija and Nohynek, Hanna. High influenza vaccination coverage among healthcare workers in acute care hospitals in Finland, seasons 2017/18, 2018/19 and 2019/20. Eurosurveillance, 27(17), 2100411, 2022.

  • Hooper, Lee and Abdelhamid, Asmaa and Ajabnoor, Sarah M and Esio-Bassey, Chizoba and Brainard, Julii and Brown, Tracey J and Bunn, Diane and Foster, Eve and Hammer, Charlotte C and Hanson, Sarah and others. Effects of fluid and drinking on pneumonia mortality in older adults: A systematic review and meta-analysis. Clinical Nutrition ESPEN, 47, 96–105, 2022.

  • Obach, Dorothée and Solastie, Anna and Liedes, Oona and Vara, Saimi and Krzyżewska-Dudek, Eva and Brinkmann, Luise and Haveri, Anu and Hammer, Charlotte C and Dub, Timothée and Meri, Seppo and others. Impaired immunity and high attack rates caused by SARS-CoV-2 variants among vaccinated long-term care facility residents. Immunity, Inflammation and Disease, 10(9), e679, 2022.

  • Krzyzewska-Dudek, E and Brinkmann, L and Obach, D and Solastie, A and Liedes, O and Vara, S and Haveri, A and Hammer, CC and Dub, T and Lyytikäinen, O and others. Impaired immunity in elderly, vaccinated residents of an long-term care facility affected by a COVID-19 outbreak. Scandinavian Journal of Immunology, 2022.

  • Hammer, Charlotte C and Cristea, Veronica and Dub, Timothee and Sivelä, Jonas. High but slightly declining COVID-19 vaccine acceptance and reasons for vaccine acceptance, Finland April to December 0. Epidemiology & Infection, 149, e123, 2021.

  • Carlson, Colin J and Farrell, Maxwell J and Grange, Zoe and Han, Barbara A and Mollentze, Nardus and Phelan, Alexandra L and Rasmussen, Angela L and Albery, Gregory F and Bett, Bernard and Brett-Major, David M and others. The future of zoonotic risk prediction. Philosophical Transactions of the Royal Society B, 376(1837), 20200358, 2021.

  • Mukka, Milla and Pesälä, Samuli and Hammer, Charlotte and Mustonen, Pekka and Jormanainen, Vesa and Pelttari, Hanna and Kaila, Minna and Helve, Otto. Analyzing Citizens’ and Health Care Professionals’ Searches for Smell/Taste Disorders and Coronavirus in Finland During the COVID-19 Pandemic: Infodemiological Approach Using Database Logs. JMIR Public Health and Surveillance, 7(12), e31961, 2021.

  • Hammer, Charlotte C and Boender, T Sonia and Thomas, Daniel Rh. Social media for field epidemiologists (#SoMe4epi): How to use Twitter during the #COVID19 pandemic. International Journal of Infectious Diseases, 110, S11–S16, 2021.

  • Brainard, Julii and Hammer, Charlotte C and Hunter, Paul R and Katzer, Frank and Hurle, Georgina and Tyler, Kevin. Efficacy of halofuginone products to prevent or treat cryptosporidiosis in bovine calves: a systematic review and meta-analyses. Parasitology, 148(4), 408–419, 2021.

  • Brainard, Julii and Hooper, Lee and McFarlane, Savannah and Hammer, Charlotte C and Hunter, Paul R and Tyler, Kevin. Systematic review of modifiable risk factors shows little evidential support for most current practices in Cryptosporidium management in bovine calves. Parasitology Research, 119(11), 3571–3584, 2020.

  • Brainard, Julii and Hammer, Charlotte C and Bouzid, Maha and Hunter, Paul R and Aquavalens Consortium and others. Emerging pathogens and deliberate attacks on European water supplies: a scenario planning workshop. Journal of Water and Health, 17(3), 463–476, 2019.

  • Hammer, Charlotte Christiane. Drivers of risk and rapid risk assessment for communicable diseases in complex and traditional humanitarian emergencies. PhD thesis, University of East Anglia, 2019.

  • Hammer, Charlotte Christiane and Brainard, Julii and Hunter, Paul R. Risk factors for communicable diseases in humanitarian emergencies and disasters: Results from a three-stage expert elicitation. Global Biosecurity, 1, 2019.

  • Hammer, Charlotte Christiane and Brainard, Julii and Hunter, Paul R. Rapid risk assessment for communicable diseases in humanitarian emergencies: validation of a rapid risk assessment tool for communicable disease risk in humanitarian emergencies. Global Biosecurity, 1, 2019.

  • Hammer, Charlotte Christiane and Brainard, Julii and Innes, Alexandria and Hunter, Paul R. (Re-) conceptualising vulnerability as a part of risk in global health emergency response: updating the pressure and release model for global health emergencies. Emerging Themes in Epidemiology, 16(1), 2, 2019.

  • Setty, Karen and Loret, Jean-Francois and Courtois, Sophie and Hammer, Charlotte Christiane and Hartemann, Philippe and Lafforgue, Michel and Litrico, Xavier and Manasfi, Tarek and Medema, Gertjan and Shaheen, Mohamed and others. Faster and safer: Research priorities in water and health. International Journal of Hygiene and Environmental Health, 222(4), 593–606, 2019.

  • Hammer, Charlotte Christiane and Brainard, Julii and Hunter, Paul R. Risk factors and risk factor cascades for communicable disease outbreaks in complex humanitarian emergencies: a qualitative systematic review. BMJ Global Health, 3(4), 2018.

  • Hammer, Charlotte C. Understanding excess mortality from not-so-natural disasters. The Lancet Planetary Health, 2(11), e471–e472, 2018.

  • Geere, Jo-Anne Lee and Cortobius, Moa and Geere, Jonathan Harold and Hammer, Charlotte Christiane and Hunter, Paul R. Is water carriage associated with the water carrier’s health? A systematic review of quantitative and qualitative evidence. BMJ Global Health, 3(3), 2018.

  • Brainard, Julii Suzanne and Al Assaf, Enana and Omasete, Judith and Leach, Steve and Hammer, Charlotte C and Hunter, Paul R. Forced migrants involved in setting the agenda and designing research to reduce impacts of complex emergencies: combining Swarm with patient and public involvement. Research Involvement and Engagement, 3(1), 23, 2017.

  • Hammer, Charlotte Christiane. Communicable disease risks in European refugee populations since 2014: Charlotte Christiane Hammer. The European Journal of Public Health, 27(suppl_3), ckx189–261, 2017.

  • Hammer, Charlotte Christiane and Brainard, J. Risk factors for communicable diseases in complex emergencies, a systematic review of the literature: Charlotte Christiane Hammer. The European Journal of Public Health, 27(suppl_3), ckx186–162, 2017.

  • Hammer, CC. Theoretical practical and ethical implications of future-based approaches to post-disaster disease: Charlotte Christiane Hammer. The European Journal of Public Health, 27(suppl_3), ckx186–161, 2017.

  • Hammer, CC. 20.051 Theoretical practical and ethical implications of future-based approaches to post-disaster disease. International Journal of Infectious Diseases, 53, 114, 2016.