A5059979859- Animal Virus Infections Studies
- Animal Disease Management and Epidemiology
- SARS-CoV-2 and COVID-19 Research
- Viral gastroenteritis research and epidemiology
- Influenza Virus Research Studies
- Marine animal studies overview
- Respiratory viral infections research
- Virology and Viral Diseases
- Virus-based gene therapy research
- Neuroscience of respiration and sleep
- Wildlife Ecology and Conservation
- Peatlands and Wetlands Ecology
- Environmental and Cultural Studies in Latin America and Beyond
- Viral Infections and Vectors
- SARS-CoV-2 detection and testing
- COVID-19 Clinical Research Studies
- Plant and animal studies
- Land Use and Ecosystem Services
- Avian ecology and behavior
- COVID-19 Impact on Reproduction
- Viral Infections and Immunology Research
- Ecology and Vegetation Dynamics Studies
- Plant and Fungal Interactions Research
University of Chile
2012-2025
In Chile, since January 2023, a sudden and pronounced increase in strandings mortality has been observed among South American (SA) sea lions (Otaria flavescens), prompting significant concern. Simultaneously, an outbreak of highly pathogenic avian influenza H5N1 (HPAIV H5N1) species emerged December 2022. To investigate the cause this unexpected mortality, we conducted comprehensive epidemiological pathologic study. One hundred sixty-nine SA were sampled to ascertain their HPAIV status,...
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been detected in domestic and wild cats. However, little is known about natural viral infections of cats, although their importance for modelling disease spread, informing strategies managing positive human-animal relationships prevention. Here, we describe the SARS-CoV-2 infection a household two human adults sibling cats (one male females) using real-time RT–PCR, an ELISA test, sequencing, virus isolation. On May 5th, 2020,...
In January 2023, an active surveillance initiative was undertaken in the South Shetland Islands, Antarctica, with specific objective of ascertaining evidence for presence avian influenza, and specifically highly pathogenic influenza virus subtype H5N1 (HPAIV H5N1). The investigation encompassed diverse locations, including Hanna Point (Livingston Island), Lions Rump (King George Base Escudero targeted observations on marine mammals (southern elephant seals), flying birds (the kelp gull,...
Seneca Valley virus (SVV) is a non-enveloped RNA and the only member of Senecavirus A (SVA) species, in genus, Picornaviridae family. SVV infection causes vesicular lesions oral cavity, snout hooves pigs. This clinically indistinguishable from trade-restrictions-related diseases such as foot-and-mouth disease. Other clinical manifestations include diarrhoea, anorexia, lethargy, neurological signs mortality piglets during their first week age. Before this study, Chile was considered free...
Influenza A virus (IAV) continuously threatens animal and public health globally, with swine serving as a crucial reservoir for viral reassortment evolution. In Chile, H1N2 H3N2 subtypes were introduced in the population before H1N1 2009 pandemic, was from H1N1pdm09 by successive reverse zoonotic events. Here, we report two novel introductions of IAV human-origin Chilean during 2023. Our study reveals closer relationship between recent human seasonal strains. Interestingly, one strain...
SARS-CoV-2's rapid global spread caused the declaration of COVID-19 as a pandemic in March 2020. Alongside humans, domestic dogs and cats are also susceptible to infection. However, limited reports on pet infections Chile prompted comprehensive study address this knowledge gap. Between 2021 2023, assessed 65 pets (26 39 cats) from 33 COVID-19+ households alongside 700 nasal swabs animals with unknown status. Using RT-PCR, nasal, fecal, environmental samples were analyzed for virus. In...
Porcine respirovirus 1 (PRV1) is an emerging virus in pigs that has been previously described the USA and China. There are no reports of its presence rest world. The objective this study was to determine occurrence PRV1 Chile phylogeny. Thus, we collected samples (oral fluids, nasal swabs, lungs) from a swine influenza A (IAV) surveillance program, most which belonged with respiratory disease. were analyzed by RT-PCR, viral sequencing obtained using RNA whole-genome approach. Maximum...
Canine distemper virus (CDV) poses a significant threat to dogs and wildlife worldwide, this study sought provide an updated genetic characterization of CDV field strains in Chile during 2022–2023. We collected samples from 52 suspected cases domestic detected viral RNA through real‐time RT‐PCR 28 (54%). Factors like age vaccination status were determinants positivity, with young adult unvaccinated facing higher infection risk. isolated positive VeroDogSLAM cells. From these isolates direct...
Abstract Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been detected in domestic and wild cats. However, little is known about natural viral infections of cats, although their importance for modeling disease spread, informing strategies managing positive human-animal relationships prevention. Here, we describe the SARS-CoV-2 infection a household two human adults sibling cats (one male females) using real-time RT-PCR, an ELISA test, sequencing, virus isolation. On May...
Porcine Circovirus 2 (PCV2) can cause multiple clinical conditions known as porcine circovirus-associated diseases (PCVAD). Before the wide availability of PCV2 vaccines, PCVAD resulted in significant losses to global swine industry. PCV2's rapid evolutionary dynamics are comparable single-stranded RNA viruses. Thus, shifts dominance and distribution different genotypes may frequently occur, resulting emergence spread varying recombinant strains swine. This study aims at identifying...
En este artículo se hace una revisión de la información científica disponible respecto del ecosistema Humedal Río Cruces en Valdivia, Chile, el período 2004-2014. Esta emplea generación un modelo conceptual ecosistema, que a su vez es usado para generar hipótesis sintética cambio estado experimentado por humedal durante 2004/2005. El basa concentración sólidos suspensión como variable controladora afectada procesos cuenca geográfica ( e.g ., tala rasa zonas forestales) y re-suspensión...
Abstract Influenza A virus (IAV) continuously threatens animal and public health globally, with swine serving as a crucial reservoir for viral reassortment evolution. In Chile, H1N2 H3N2 subtypes were introduced in the population before H1N1 2009 pandemic, was from H1N1pdm09 by successive reverse zoonotic events. Here, we report two novel introductions of IAV human-origin Chilean during 2023. Our study reveals closer relationship between recent human seasonal strains. Interestingly, one...
Avian orthoavulavirus 1 (AOaV-1) causes Newcastle disease, one of the most important and contagious infections in poultry, where migratory birds can play a key role as reservoir. Seven hundred seven serum samples were collected from five penguin species (King, Magellanic, Gentoo, Chinstrap Adelie penguins) Antarctic Sub-Antarctic zones. Using competitive ELISA to detect antibodies against AOaV-1, we identified positive individuals all species. The Magellanic showed highest seropositivity...