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Neglected Tropical Diseases in the Context of Climate Change in East Africa: A Systematic Scoping Review.

Abstract

East Africa is highly affected by neglected tropical diseases (NTDs), which are projected to be exacerbated by climate change. Consequently, understanding what research has been conducted and what knowledge gaps remain regarding NTDs and climate change is crucial to informing public health interventions and climate change adaptation. We conducted a systematic scoping review to describe the extent, range, and nature of publications examining relationships between NTDs and climatic factors in East Africa. We collated all relevant English and French publications indexed in PubMed, Web of Science™ Core Collection, and CAB Direct databases published before 2019. Ninety-six publications were included for review. Kenya, Tanzania, and Ethiopia had high rates of publication, whereas countries in the Western Indian Ocean region were underrepresented. Most publications focused on schistosomiasis ( = 28, 29.2%), soil-transmitted helminthiases ( = 16, 16.7%), or human African trypanosomiasis ( = 14, 14.6%). Precipitation ( = 91, 94.8%) and temperature ( = 54, 56.3%) were frequently investigated climatic factors, whereas consideration of droughts ( = 10, 10.4%) and floods ( = 4, 4.2%) was not prominent. Publications reporting on associations between NTDs and changing climate were increasing over time. There was a decrease in the reporting of indigeneity and age factors over time. Overall, there were substantial knowledge gaps for several countries and for many NTDs. To better understand NTDs in the context of a changing climate, it would be helpful to increase research on underrepresented diseases and regions, consider demographic and social factors in research, and characterize how these factors modify the effects of climatic variables on NTDs in East Africa.

More information

Type
Journal Article
Author
Bryson J
Bishop-Williams K
Berrang-Ford L
Nunez E
Lwasa S
Namanya D
Harper S
Team I
Year of Publication
2020
Journal
The American journal of tropical medicine and hygiene
Date Published
03/2020
Language
eng
ISSN Number
1476-1645
DOI
10.4269/ajtmh.19-0380
Alternate Journal
Am. J. Trop. Med. Hyg.
PMID
32228798
Publication Language
eng