John Andrew Crump is a New Zealand-born infectious diseases physician, medical microbiologist, and epidemiologist. He is Professor of Medicine, Pathology, and Global Health at the University of Otago[1] and an adjunct professor of medicine, Pathology, and Global Health at Duke University.[2] He serves as Director of the Otago Global Health Institute,[3] one of the university's research centres.[4] His primary research interest is fever in the tropics, focusing on invasive bacterial diseases and bacterial and viral zoonoses.[1]
Crump studies the diagnosis, management, and prevention of infectious causes of fever in the tropics other than malaria, a complex clinical problem that affects many millions annually particularly in low- and middle-income countries.[10] He has advocated for a comprehensive approach to investigating febrile illness as a necessary progression from the traditional disease-specific approach in tropical medicine.[11] He has contributed to describing the problem of malaria over-diagnosis,[12] and also to appreciation of range of neglected causes of fever including invasive bacterial diseases;[13][14] bacterial zoonoses such as brucellosis, leptospirosis, Q fever, and rickettsioses;[15][16][17][18] and viral diseases such as Rift Valley Fever.[19][20][21] Much of his research is trans-disciplinary involving close collaboration between human health experts, veterinarians, ecologists, and social scientists, and following the so-called 'One Health' approach.[22][23]
Crump has led work characterizing the burden of typhoid fever,[24][25] paratyphoid fever,[24][25] and invasive nontyphoidal Salmonella disease[26][27] that has contributed to diagnosis, management, and prevention efforts for these diseases, including vaccine deployment[28] and vaccine development.[29] He has served in a range of advisory roles to the World Health Organization, including on the burden of invasive salmonelloses to the Foodborne Diseases Epidemiology Reference Group,[30] the WHOStrategic Advisory Group of Experts on Immunization Working Group on Typhoid Vaccines,[31] and the WHO Immunization, Vaccines and Biologicals Technical Advisory Group on Salmonella vaccines.[32]
Crump has a research interest in ethics in global health training, spurred by concern for the unintended consequences of expansion of short-term global health training opportunities in low-resource areas.[33] With Dr. Jeremy Sugarman, Crump co-chaired the Wellcome Trust-funded Working Group on Ethics Guidelines for Global Health Training (WEIGHT) that developed initial guidelines for responsible global health training programs.[34] Crump has also highlighted the value of cosmopolitan principles and the challenges posed by health nationalism in global health responses.[35]
As of December 2024, Crump had published >320 scientific manuscripts, cited >60,000 times.[41] He is a 2020 cross-field Clarivate Highly Cited Researcher, defined as having multiple papers ranked in the top 1% by citations for field and year.
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