ArticleiScience2024
A safer cell-based yellow fever live attenuated vaccine protects mice against YFV infection.
Article in iScience, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- 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
- In Vivo Risk Assessment of Yellow Fever Virus Transmission Through Breastfeeding, and Mechanistic Insights.The Journal of infectious diseases · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The live attenuated yellow fever vaccine (YF17D) has caused controversial safety issues in history with low-yield problems, which has led to a large population being unable to be vaccinated and vaccine shortage in facing recent outbreaks. Here, we report a safer live attenuated vaccine candidate, YF17D-Δ77, which contains 77 nucleotides deletion in the 3' untranslated region (3' UTR) of the YF17D genome. YF17D-Δ77 exhibited no neurotropism and decreased viscerotropism and caused significantly lower lethality in mice compared to YF17D. Mechanistically, the deletion enhanced the sensitivity of the virus to type I and type II interferon responses, which hindered viral replication. Encouragingly, YF17D-Δ77 provided comparable immune protection in mice as did YF17D. Even 10 PFU of YF17D-Δ77 completely protected mice against YFV-Asibi challenge. In addition, the Δ77 mutation showed excellent stability after successive passages in Vero cells. Collectively, the data suggest that further development of YF17D-Δ77 as vaccine candidate is warranted.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.