ArticleEmerging microbes & infections2024
Immune correlates of protection of the four-segmented Rift Valley fever virus candidate vaccine in mice.
Article in Emerging microbes & infections, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Differential innate immune activation by wild-type and NSs-deficient RVFV strains in human blood monocytes.Emerging microbes & infections · 2026Article
- Live-Attenuated Rift Valley Fever Virus Vaccination Leads to Durable, Protective Immunity Independent of Sex in C57BL/6 Mice.The Journal of infectious diseases · 2026Article
- Induction of a Th1-Type Polyfunctional T-Cell Response by the Four-segmented Rift Valley Fever Candidate Vaccine in Humans.The Journal of infectious diseases · 2026Article
- Efficient Sensing of a 4-Segmented Rift Valley Fever Virus Vaccine Candidate by Human Monocytes.The Journal of infectious diseases · 2026Article
- Article
- Humoral immunity is sufficient to protect mice against Rift Valley fever encephalitis following percutaneous exposure.NPJ vaccines · 2025Article
- Insight into Preventing Global Dengue Spread: Nanoengineered Niclosamide for Viral Infections.Nano letters · 2024Review
Corrections and comments
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Authors and funding
14 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rift Valley fever (RVF) is a mosquito-borne zoonotic disease caused by RVF virus (RVFV). RVFV infections in humans are usually asymptomatic or associated with mild febrile illness, although more severe cases of haemorrhagic disease and encephalitis with high mortality also occur. Currently, there are no licensed human vaccines available. The safety and efficacy of a genetically engineered four-segmented RVFV variant (hRVFV-4s) as a potential live-attenuated human vaccine has been tested successfully in mice, ruminants, and marmosets though the correlates of protection of this vaccine are still largely unknown. In the present study, we have assessed hRVFV-4s-induced humoral and cellular immunity in a mouse model of RVFV infection. Our results confirm that a single dose of hRVFV-4s is highly efficient in protecting naïve mice from developing severe disease following intraperitoneal challenge with a highly virulent RVFV strain and data show that virus neutralizing (VN) serum antibody titres in a prime-boost regimen are significantly higher compared to the single dose. Subsequently, VN antibodies from prime-boost-vaccinated recipients were shown to be protective when transferred to naïve mice. In addition, hRVFV-4s vaccination induced a significant virus-specific T cell response as shown by IFN-γ ELISpot assay, though these T cells did not provide significant protection upon passive transfer to naïve recipient mice. Collectively, this study highlights hRVFV-4s-induced VN antibodies as a major correlate of protection against lethal RVFV infection.
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