ArticlePloS one2015
Effect of Porcine Epidemic Diarrhea Virus Infectious Doses on Infection Outcomes in Naïve Conventional Neonatal and Weaned Pigs.
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 83 papers, 1 of them a synthesis that pooled it.
What it found
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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.
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
83 citing papers in PubMed, 1 synthesis or guideline pooled it, 125 citations in OpenAlex.
- Pooled it
- Cyclo-C stabilizes PEX13 to inhibit porcine epidemic diarrhea virus replication by blocking pexophagy-mediated disruption of antiviral innate immunity.Journal of virology · 2026Article
- Cell entry mechanisms of porcine enteric coronaviruses.The Journal of biological chemistry · 2026Review
- Effects of Bacillus-Based Probiotic Supplementation on Growth Performance, Antioxidant Capacity, Immunity, and Gut Health of PEDV-Infected Piglets.Probiotics and antimicrobial proteins · 2026Article
- Infectious Dose of a 2018Veterinary sciences · 2026Article
- Concomitant Infection With Porcine circovirus 2 and Porcine Epidemic Diarrhea Virus Does Not Increase Enteritis Severity in Experimentally Infected Weaned Piglets.Transboundary and emerging diseases · 2026Article
- Porcine Enteric Coronaviruses: Origins, Global Spread, Transmission Pathways and Pathogenesis.Transboundary and emerging diseases · 2026Review
- Comparison of Vaccination Regimens on Immune Responses Using PED Replicon Vaccine: A Field Trial in PED-Negative and PED-Positive Thai Swine Farms.Animals : an open access journal from MDPI · 2025Article
- The role of innate immune responses against two strains of PEDV (S INDEL and non-S INDEL) in newborn and weaned piglets inoculated by combined orogastric and intranasal routes.Frontiers in immunology · 2025Article
- Genetic characterization and phylogenetic analysis of the S genes of porcine epidemic diarrhea virus isolates from China from 2020 to 2023.Archives of virology · 2024Article
- Evolution and virulence of porcine epidemic diarrhea virus following in vitro and in vivo propagation.Scientific reports · 2024Article
- Article
- Review
- Evaluation of Truck Cab Decontamination Procedures following Inoculation with Porcine Epidemic Diarrhea Virus and Porcine Reproductive and Respiratory Syndrome Virus.Animals : an open access journal from MDPI · 2024Article
- Synbiotics improve growth performance and nutrient digestibility, inhibit PEDV infection, and prevent intestinal barrier dysfunction by mediating innate antivirus immune response in weaned piglets.Journal of animal science · 2024Article
- Article
- Porcine epidemic diarrhea virus: an update overview of virus epidemiology, vaccines, and control strategies in South Korea.Journal of veterinary science · 2023Review
- Butyrate limits the replication of porcine epidemic diarrhea virus in intestine epithelial cells by enhancing GPR43-mediated IFN-III production.Frontiers in microbiology · 2023Article
- Failure to experimentally infect 10 days-old piglets with a cell culture-propagated infectious stock of a classical genotype 1a porcine epidemic diarrhea virus.Frontiers in veterinary science · 2023Article
- Isolation and characterization of porcine epidemic diarrhea virus with a novel continuous mutation in the S1Frontiers in microbiology · 2023Article
23 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
14 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Porcine epidemic diarrhea virus (PEDV) was identified in the United States (U.S.) swine population for the first time in April 2013 and rapidly spread nationwide. However, no information has been published regarding the minimum infectious dose (MID) of PEDV in different pig models. The main objective of this study was to determine the oral minimum infectious dose of PEDV in naïve conventional neonatal piglets and weaned pigs. A U.S. virulent PEDV prototype isolate (USA/IN19338/2013) with known infectious titer was serially ten-fold diluted in virus-negative cell culture medium. Dilutions with theoretical infectious titers from 560 to 0.0056 TCID50/ml together with a medium control were orogastrically inoculated (10ml/pig) into 7 groups of 5-day-old neonatal pigs (n = 4 per group) and 7 groups of 21-day-old weaned pigs (n = 6 per group). In 5-day-old pigs, 10ml of inoculum having titers 560-0.056 TCID50/ml, corresponding to polymerase chain reaction (PCR) cycle threshold (Ct) values 24.2-37.6, resulted in 100% infection in each group; 10ml of inoculum with titer 0.0056 TCID50/ml (Ct>45) caused infection in 25% of the inoculated pigs. In 21-day-old pigs, 10ml of inoculum with titers 560-5.6 TCID50/ml (Ct 24.2-31.4) resulted in 100% infection in each group while 10ml of inoculum with titers 0.56-0.0056 TCID50/ml (Ct values 35.3 ->45) did not establish infection in any pigs under study conditions as determined by clinical signs, PCR, histopathology, immunohistochemistry, and antibody response. These data reveal that PEDV infectious dose is age-dependent with a significantly lower MID for neonatal pigs compared to weaned pigs. This information should be taken into consideration when interpreting clinical relevance of PEDV PCR results and when designing a PEDV bioassay model. The observation of such a low MID in neonates also emphasizes the importance of strict biosecurity and thorough cleaning/disinfection on sow farms.
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Registered trials
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