Serological evidence of African pygmy hedgehog adenovirus 1 in exotic companion animals
Bibliographic record
Abstract
African pygmy hedgehog adenovirus 1 (AhAdV-1) was first identified in 2020 from a colony of African pygmy hedgehogs that succumbed to severe bronchopneumonia in Japan. AhAdV-1 is closely related to Skunk adenovirus 1, which was isolated from a wild skunk with acute hepatitis and pneumonia in Canada in 2015. Similar viruses have been isolated or detected in a diverse range of animals across multiple countries. While adenoviruses are generally considered highly species-specific, the host range of AhAdV-1 remains unclear. This study aimed to investigate the potential host range of AhAdV-1 through serological surveillance among 17 exotic animal species that visited a veterinary hospital in Fukuoka, Japan. Neutralizing antibodies against AhAdV-1 were detected in several species, with particularly high seroprevalence observed in meerkats (41%), ferrets (62%), and African pygmy hedgehogs (63%). Notably, ferrets and hedgehogs with a history of respiratory symptoms exhibited significantly higher seroprevalence compared to asymptomatic individuals. These findings suggest a broad host range for AhAdV-1, with certain species showing high exposure rates. Further investigations are needed to determine the sources and transmission routes of AhAdV-1, as well as its potential for zoonotic infection.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.004 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".