• 2025
  Heyerdahl LW, Guillemot V, Lana B, Bizel-Bizellot G, Giles-Vernick T, Motivation to continue and the value of care work among French Red Cross volunteers and workers during the COVID-19 pandemic: a mixed methods study., BMC Public Health 2025 Apr; 25(1): 1305.
• 2023
  Leonardo W Heyerdahl, Yanina Borzykh, Benedetta Lana, Anna-Maria Volkmann, Lars Crusefalk, Elien Colman, Nastassia Tvardik, Sibyl Anthierens, Muriel Vray, Tamara Giles-Vernick, Outsciencing the scientists: a cross-sectional mixed-methods investigation of public trust in scientists in seven European countries, BMJ Public Health, 2023, 1, pp.e000280. ⟨10.1136/bmjph-2023-000280⟩.
• 2023
  Leonardo W Heyerdahl, Frederic Le Marcis, ToTran Nguyen, Arsenii Alenichev, Bienvenu Salim Camara & Koen Peeters Grietens, Parallel vaccine discourses in Guinea: ‘grounding’ social listening for a non-hegemonic global health, Crit Public Health. 2023 Aug.
• 2023
  Tarun Kattumana, Leonardo W Heyerdahl, Totran Nguyen, Stef Dielen, Koen Peeters Grietens, Anne-Mieke Vandamme, Tamara Giles-Vernick, Heidi J Larson, Nico Vandaele, Corinne Vandermeulen, Charlotte Gryseels, Carla van Riet, More than one crisis: COVID-19 response actors navigating multi-dimensional crises in Flanders, Belgium, Critical Public Health, 2023, pp.1-13. ⟨10.1080/09581596.2023.2240480⟩.
• 2023
  Heyerdahl LW, Dielen S, Dodion H, Van Riet C, Nguyen T, Simas C, Boey L, Kattumana T, Vandaele N, Larson HJ, Grietens KP, Giles-Vernick T, Gryseels C, Strategic silences, eroded trust: The impact of divergent COVID-19 vaccine sentiments on healthcare workers’ relations with peers and patients., Vaccine 2023 Jan; 41(4): 883-891.
• 2023
  Nguyen T, Boey L, Van Riet C, Dielen S, Dodion H, Giles-Vernick T, Vandaele N, Larson HJ, Peeters Grietens K, Gryseels C, Heyerdahl LW, Embracing context: Lessons from designing a dialogue-based intervention to address vaccine hesitancy., Front Public Health 2023 ; 11(): 1069199.
• 2022
  Leonardo W. Heyerdahl, Entre le silence épidémique et le bruit des bulldozers. Le choléra au temps de l’Émergence économique en Côte d’Ivoire, Politique africaine, 2022; 167(3):29-52.
• 2022
  Leonardo W. Heyerdahl, Muriel Vray, Benedetta Lana, Nastassia Tvardik, Nina Gobat, Marta Wanat, Sarah Tonkin-Crine, Sibyl Anthierens, Herman Goossens, Tamara Giles-Vernick, Conditionality of COVID-19 vaccine acceptance in European countries, Vaccine, 2022 Feb; 40(9):1191-1197.
• 2021
  Heyerdahl LW, Dielen S, Nguyen T, Van Riet C, Kattumana T, Simas C, Vandaele N, Vandamme AM, Vandermeulen C, Giles-Vernick T, Larson H, Grietens KP, Gryseels C., Doubt at the core: Unspoken vaccine hesitancy among healthcare workers, Lancet Reg Health Eur. 2022 Jan;12:100289.
• 2021
  Leonardo W. Heyerdahl, Benedetta Lana, Tamara Giles-Vernick, Rethinking the Infodemic: Social Media and Offline Action in the COVID-19 Pandemic, Socio-Life Science and the COVID-19 Outbreak. 2022:73-82..
• 2021
  Heyerdahl LW, Lana B, Giles-Vernick T, The Impact of the Online COVID-19 Infodemic on French Red Cross Actors’ Field Engagement and Protective Behaviors: Mixed Methods Study, JMIR infodemiology. 2021 Oct 6;1(1):e27472..
• 2021
  Heyerdahl LW, Vray M, Leger V, Le Fouler L, Antouly J, Troit V, Giles-Vernick T, , Evaluating the motivation of Red Cross Health volunteers in the COVID-19 pandemic: a mixed-methods study protocol., BMJ Open 2021 01; 11(1): e042579.
• 2019
  Heyerdahl LW, Pugliese-Garcia M, Nkwemu S, Tembo T, Mwamba C, Demolis R, Chilengi R, Gessner BD, Guillermet E, Sharma A, , “It depends how one understands it:” a qualitative study on differential uptake of oral cholera vaccine in three compounds in Lusaka, Zambia., BMC Infect Dis 2019 May; 19(1): 421.
• 2018
  Rachel Démolis, Carlos Botão, Léonard W. Heyerdahl, Bradford D. Gessner, Philippe Cavailler, Celestino Sinai, Amílcar Magaço, Jean-Bernard Le Gargasson, Martin Mengel, Elise Guillermet, A rapid qualitative assessment of oral cholera vaccine anticipated acceptability in a context of resistance towards cholera intervention in Nampula, Mozambique, Démolis R, Botão C, Heyerdahl LW, Gessner BD, Cavailler P, Sinai C, Magaço A, Le Gargasson JB, Mengel M, Guillermet E. A rapid qualitative assessment of oral cholera vaccine anticipated acceptability in a context of resistance towards cholera intervention in Nampula, Mozambique. Vaccine. 2018 Oct 22;36(44):6497-505..
• 2018
  , Innovative vaccine delivery strategies in response to a cholera outbreak in the challenging context of Lake Chilwa. A rapid qualitative assessment, Heyerdahl LW, Ngwira B, Demolis R, Nyirenda G, Mwesawina M, Rafael F, Cavailler P, Le Gargasson JB, Mengel MA, Gessner BD, Guillermet E. Innovative vaccine delivery strategies in response to a cholera outbreak in the challenging context of Lake Chilwa. A rapid qualitative assessment. Vaccine. 2018 Oct 22;36(44):6491-6..
• 2018
  Pugliese-Garcia M, Heyerdahl LW, Mwamba C, Nkwemu S, Chilengi R, Demolis R, Guillermet E, Sharma A, , Factors influencing vaccine acceptance and hesitancy in three informal settlements in Lusaka, Zambia., Vaccine 2018 09; 36(37): 5617-5624.
• 2017
  Bwire G, Munier A, Ouedraogo I, Heyerdahl L, Komakech H, Kagirita A, Wood R, Mhlanga R, Njanpop-Lafourcade B, Malimbo M, Makumbi I. Epidemiology of cholera outbreaks and socio-economic characteristics of the communities in the fishing villages of Uganda: 2011-2015. PLoS neglected tropical diseases. 2017 Mar 13;11(3):e0005407., Epidemiology of cholera outbreaks and socio-economic characteristics of the communities in the fishing villages of Uganda: 2011-2015, Bwire G, Munier A, Ouedraogo I, Heyerdahl L, Komakech H, Kagirita A, Wood R, Mhlanga R, Njanpop-Lafourcade B, Malimbo M, Makumbi I. Epidemiology of cholera outbreaks and socio-economic characteristics of the communities in the fishing villages of Uganda: 2011-2015. PLoS neglected tropical diseases. 2017 Mar 13;11(3):e0005407..
• 2017
  Munier A, Njanpop-Lafourcade BM, Sauvageot D, Mhlanga RB, Heyerdahl L, Nadri J, Wood R, Ouedraogo I, Blake A, Akilimali Mukelenge L, Anné JCB, Banla Kere A, Dempouo L, Keita S, Langa JPM, Makumbi I, Mwakapeje ER, Njeru IJ, Ojo OE, Phiri I, Pezzoli L, Gessner BD, Mengel MA , The African cholera surveillance network (Africhol) consortium meeting, 10–11 June 2015, Lomé, Togo, Munier, A., Njanpop-Lafourcade, BM., Sauvageot, D. et al. The African cholera surveillance network (Africhol) consortium meeting, 10–11 June 2015, Lomé, Togo. BMC Proc 11, 2 (2017). https://doi.org/10.1186/s12919-016-0068-z.
• 2014
  Martin A. Mengel, Isabelle Delrieu, Leonard Heyerdahl & Bradford D. Gessner , Cholera Outbreaks in Africa, Mengel MA, Delrieu I, Heyerdahl L, Gessner BD. Cholera outbreaks in Africa. InCholera outbreaks 2014 (pp. 117-144). Springer, Berlin, Heidelberg..