ArticlePoultry science2023
Current situation and genomic characterization of fowlpox virus in lower Egypt during 2022.
Article in Poultry science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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.
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Who cites it
3 citing papers in PubMed, 2 citations in OpenAlex.
- First complete genome of a fowlpox virus isolated in Bangladesh reveals Asian lineage and clade A1.Microbiology spectrum · 2026Article
- An Overview of Avian Vaccination Options in Zoological Collections in Europe.Veterinary sciences · 2026Review
- Rapid detection of avipoxvirus using a fluorescent probe-based multienzyme isothermal amplification assay.Frontiers in veterinary science · 2025Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A total of 45 samples of vaccinated and non-vaccinated layer chickens were collected from farms in the Egyptian governorates of Sharqia, Ismailia, Menofia, Gharbia, Kafr El Sheikh, Qalyubia, and Dakahlia in the year 2022. They exhibited nodular lesions on their combs, mouth corners, and eyelids, suggesting they were infected with pox disease, which was associated with a 3 to 5% mortality rate. The samples were grown on the chorioallantoic-membrane of embryonated chicken eggs to ensure their viability. In both vaccinated and non-vaccinated farms, 35 of 45 virus isolates were confirmed positive via polymerase chain reaction (PCR) of fpv167 (P4b), based on the amplicon length of the fpv167 gene locus. The 6 strains from various Egyptian governorates were chosen for sequencing and genetic characterization. Phylogenetic investigation of the fpv167 (P4b) gene of sequenced strains clustered within sub clade A1 showed 100% correlation between FWPVD, TKPV13401 and fowlpox-AN2, fowlpox-AN3, and fowlpox-AN6, but only a 98.6% correlation between fowlpox-AN1, fowlpox-AN4, and fowlpox-AN5. Comparing the fowlpox-AN1, fowlpox-AN4, and fowlpox-AN5 strains with commercial vaccine strains (HP1-444-(FP9), vaccine-VSVRI), they had 98.6% identity, while other strains had 100% identity. The results of this study's mutation research showed that fowlpox-AN1, fowlpox-AN4, and fowlpox-AN5 had acquired novel mutations; fowlpox-AN1 had R201G and T204A; fowlpox-AN4 and fowlpox-AN5 had L141F and H157P. Further research is required to determine the effectiveness of the current vaccine in order to develop a new vaccine.
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Registered trials
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