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Dr Santosh Vijaykumar

Senior Lecturer

Department: Psychology

Santosh is a health and risk communication scientist with research interests at the intersection of public health, behavioural science and new media technologies.

Specifically, he studies mobile and social media interventions for addressing global health challenges with a focus on tropical and infectious diseases. Santosh’s research analyses and evaluates the effects of both, bespoke innovations (like crowdsourced surveillance applications) as well as generic platforms (like Twitter and Facebook) on individuals, communities and health systems during infectious disease outbreaks. The research approach involves mixed methodologies, trans-disciplinary conceptualization and collaborations with policymakers, activists and the industry. His work, spanning the US, Singapore, Sri Lanka and India, has been published in PLoS Neglected Tropical Diseases, Journal of Medical Internet Research, Journal of Homeland Security and Emergency Management and Journal of Nutrition Education and Behaviour among others. 

Campus Address

Northumberland Building



  • Please visit the Pure Research Information Portal for further information
  • A pre- and post-intervention study testing the effect of exposure to languageless animated images communicating COVID-19 preventive behaviours on behavioural intentions and beliefs of Guatemalan adults, O'Brien, N., Vijaykumar, S., Craig, M., Land, E., Aguilar Jocol, S., Bedoya Mendoza, X., dela Cruz Estrada, R., Najera Gonzalez, E., Nicolau Ozaeta, L. 10 Mar 2022, In: Journal of Global Health
  • Dynamics of social corrections to peers sharing COVID-19 misinformation on WhatsApp in Brazil, Vijaykumar, S., Rogerson, D., Jin, Y., de Oliveira Costa, M. 1 Jan 2022, In: Journal of the American Medical Informatics Association : JAMIA
  • Think before you Share: Beliefs and emotions that shaped COVID-19 (Mis)information vetting and sharing intentions among WhatsApp users in the United Kingdom, Lu, X., Vijaykumar, S., Jin, Y., Rogerson, D. 1 Feb 2022, In: Telematics and Informatics
  • Associations between conflicting nutrition information, nutrition confusion and backlash among consumers in the UK, Vijaykumar, S., McNeill, A., Simpson, J. 1 Apr 2021, In: Public Health Nutrition
  • How Shades of Truth and Age Affect Responses to COVID-19 (Mis)information: Randomized Survey Experiment among WhatsApp Users in UK and Brazil, Vijaykumar, S., Jin, Y., Rogerson, D., Lu, X., Sharma, S., Maughan, A., Fadel, B., de Oliveira Costa, M., Pagliari, C., Morris, D. 23 Mar 2021, In: Humanities and Social Sciences Communications
  • Influences of News and Social Media on Food Insecurity and Hoarding Behavior During the COVID-19 Pandemic, Charilaou, L., Vijaykumar, S. 15 Oct 2021, In: Disaster Medicine and Public Health Preparedness
  • That gut feeling: public perceptions of media coverage and science surrounding probiotic products, Vijaykumar, S., McCready, J., Graham, P., Morris, D. 31 Dec 2021, In: British Food Journal
  • Themes, communities and influencers of online probiotics chatter: A retrospective analysis from 2009-2017, Vijaykumar, S., Raamkumar, A., McCarty, K., Mutumbwa, C., Mustafa, J., Au, C. 21 Oct 2021, In: PLoS One
  • Understanding older adults’ use of social technology and the factors influencing use, Wilson-Menzfeld, G., Gates, J., Vijaykumar, S., Morgan, D. 20 Apr 2021, In: Ageing and Society
  • Ageing in a Digital World, Wilson, G., Vijaykumar, S., Gates, J. 9 Apr 2020

Jake Pywell Understanding the Psychosocial Drivers of Adoption and Use of Mobile Mental Health Interventions Among Older Adults. Start Date: 01/03/2018 End Date: 29/06/2021

  • Health Studies PhD September 20 2010
  • Journalism MA December 30 2005


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