Risk analysis and hot spots detection of SARS-CoV-2 in Nigeria using demographic and environmental variables: an early assessment of transmission dynamics
INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH(2022)
摘要
This study evaluated the effect of demographic and environmental variables on the transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Nigeria. Daily data on confirmed cases on SARS-CoV-2 were obtained, data layers for environmental and demographic factors were acquired. Using epidemiological, environmental and demographic datasets obtained, the MaxEnt tool was used to identify the risk areas of SARS-CoV-2 while Getis-Ord Gi* statistics on ArcMap 10.7 was used to identify hotspots for SARS-CoV-2. Southern Nigeria and some states in North-West, North-East and North-Central fell within the high risk and hotspots zone for SARS-CoV-2 transmission. Literacy level, dependency ratio, population density, age structure, temperature and precipitation were factors that significantly influenced the transmission of SARS-CoV-2 in Nigeria. SARS-CoV-2 infection had a higher in the Southern than in Northern Nigeria. There is need for the application of an integrative approach to curb the virus.
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关键词
SARS-CoV-2, COVID-19, transmission, demographic, environmental, Nigeria
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