ArticleTransactions of the Royal Society of Tropical Medicine and Hygiene2022
An outbreak of Rift Valley fever among peri-urban dairy cattle in northern Tanzania.
Article in Transactions of the Royal Society of Tropical Medicine and Hygiene, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed, 33 citations in OpenAlex.
- Simulating the Transmission of Rift Valley Fever Virus via Raw Milk Consumption in Inter-Epidemic Periods.Viruses · 2026Article
- Unreported Rift Valley fever virus circulation during 2023-2024 El Niño event detected by slaughterhouse-based surveillance in southern Kenya.Scientific reports · 2026Article
- Replication kinetics, pathogenicity and virus-induced cellular responses of cattle-origin influenza A(H5N1) isolates from Texas, United States.Emerging microbes & infections · 2025Article
- Incidence rate of Rift Valley fever exposure in humans and livestock from a longitudinal study in Northern Kenya.Scientific reports · 2025Article
- Rift Valley Fever Virus Infectivity in Milk Stored at a Wide Range of Temperatures.The Journal of infectious diseases · 2025Article
- Epidemiologic and Genomic Characterization of an Outbreak of Rift Valley Fever Among Humans and Dairy Cattle in Northern Tanzania.The Journal of infectious diseases · 2025Article
- Maternal vaccination with live-attenuated Rift Valley fever virus protects offspring via immune transfer.NPJ vaccines · 2025Article
- Rift Valley fever: A zoonotic disease with global potential.Open veterinary journal · 2025Review
- TaqMan Array Card real-time polymerase chain reaction panel to detect pathogens in whole blood of febrile inpatients in northern Tanzania, 2016-2019.Tropical medicine & international health : TM & IH · 2025Article
- Rift Valley Fever in Rwanda Is Urging for Enhancing Global Health Security Through Multisectoral One Health Strategy.Microorganisms · 2025Review
- Evidence of human exposure and associated risk factors to Rift Valley fever in selected districts of Central and Western Zambia.PloS one · 2025Article
- Article
- One Health investigation and response to a nationwide outbreak of Rift Valley fever in Rwanda - March to December 2022.One health (Amsterdam, Netherlands) · 2024Article
- Review of the Current Status on Ruminant Abortigenic Pathogen Surveillance in Africa and Asia.Veterinary sciences · 2024Review
- Widening geographic range of Rift Valley fever disease clusters associated with climate change in East Africa.BMJ global health · 2024Article
- Expanding Understanding of Urban Rift Valley Fever Risk and Associated Vector Ecology at Slaughterhouses in Kisumu, Kenya.Pathogens (Basel, Switzerland) · 2024Article
- Rift Valley Fever outbreaks in the East African Community: insights from ProMed data (2010-2024).Frontiers in public health · 2024Article
- Leveraging livestock movements to urban slaughterhouses for wide-spread Rift Valley fever virus surveillance in Western Kenya.One health (Amsterdam, Netherlands) · 2022Article
- Inter-epidemic Rift Valley fever virus infection incidence and risks for zoonotic spillover in northern Tanzania.PLoS neglected tropical diseases · 2022Article
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Authors and funding
22 authors at 11 institutions in 6 countries.
Funding
Abstract
backgroundHuman and animal cases of Rift Valley fever (RVF) are typically only reported during large outbreaks. The occurrence of RVF cases that go undetected by national surveillance systems in the period between these outbreaks is considered likely. The last reported cases of RVF in Tanzania occurred during a large outbreak in 2007-2008.
methodsSamples collected between 2017 and 2019 from livestock suffering abortion across northern Tanzania were retrospectively tested for evidence of RVF virus infection using serology and reverse transcription quantitative polymerase chain reaction (RT-qPCR).
resultsA total of 14 RVF-associated cattle abortions were identified among dairy cattle in a peri-urban area surrounding the town of Moshi. RVF cases occurred from May to August 2018 and were considered to represent an undetected, small-scale RVF outbreak. Milk samples from 3 of 14 cases (21%) were found to be RT-qPCR positive. Genotyping revealed circulation of RVF viruses from two distinct lineages.
conclusionsRVF outbreaks can occur more often in endemic settings than would be expected on the basis of detection by national surveillance. The occurrence of RVF cases among peri-urban dairy cattle and evidence for viral shedding in milk, also highlights potentially emerging risks for RVF associated with increasing urban and peri-urban livestock populations.
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