Publications by authors named "Angie L Ramirez"

Article Synopsis
  • - Bats serve as hosts for numerous pathogens including viruses, bacteria, fungi, and more, which can infect other animals and humans.
  • - This study used advanced sequencing methods to analyze microbial communities found in blood, feces, and oral swabs from two bat genera in eastern Colombia, finding a rich diversity of microorganisms.
  • - Results showed that microbial compositions varied by bat genus and body fluid, indicating potential interactions and movements of these microbes within the bats, while also revealing some pathogens that could pose risks to public health.
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We describe a recent case of lymphatic filariasis in Colombia caused by Wuchereria bancrofti nematodes. Our study combines clinical-epidemiologic findings with phylogenetic data. Resurgence of lymphatic filariasis may be linked to increasing urbanization trends and migration from previously endemic regions.

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The analysis of SARS-CoV-2 in wastewater has enabled us to better understand the spread and evolution of the virus worldwide. To deepen our understanding of its epidemiological and genomic characteristics, we analyzed 10,147 SARS-CoV-2 sequences from 5 continents and 21 countries that were deposited in the GISAID database up until January 31, 2023. Our results revealed over 100 independent lineages of the virus circulating in water samples from March 2020 to January 2023, including variants of interest and concern.

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Article Synopsis
  • Livestock is key for food security and the economy, but viral infections can harm cattle health and pose risks to human and animal health, making virus identification critical for prevention and control.
  • The study focused on characterizing viral communities in cattle fecal samples from Ubaté Province, Colombia, using advanced metagenomic sequencing techniques.
  • Findings showed a stable viral composition dominated by Picornaviridae family members, with significant discoveries of viruses like Enterovirus E and Bovine Astrovirus, marking the first report of certain veterinary-important viruses in Colombia.
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species complexes are recognized as environmental fungi responsible for lethal meningoencephalitis in immunocompromised individuals. Despite the vast knowledge about the epidemiology and genetic diversity of this fungus in different regions of the world, more studies are necessary to comprehend the genomic profiles across South America, including Colombia, considered to be the second country with the highest number of Cryptococcosis. Here, we sequenced and analyzed the genomic architecture of 29 Colombian isolates and evaluated the phylogenetic relationship of these strains with publicly available genomes.

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Monkeypox is a zoonotic disease with clinical manifestations similar to smallpox in humans. Since May 13, 2022, an increasing number of suspected and confirmed cases have been reported, affecting non-endemic regions across the globe. More strikingly, reports from the current outbreak reveal unique aspects regarding transmission dynamics and an unprecedented, rapidly expanding and sustained community transmission.

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Genomic surveillance of SARS-CoV-2 is one of the tools that provide genomic information on circulating variants. Given the recent emergence of the Omicron (B.1.

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We assessed the circulation of severe acute respiratory syndrome coronavirus-2 variants amongst vaccinated military personnel in Bogotá, Colombia to evaluate the mutations of certain variants and their potential for breakthrough infection in vaccinated subjects. We observed that in vaccinated individuals the most frequent infecting lineage was Mu (B.1.

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Background: The third wave of the global health crisis attributed to the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus reached Colombia in March 2021. Over the following 6 months, it was interpolated by manifestations of popular disapproval to the actual political regime-with multiple protests sprouting throughout the country. Large social gatherings seeded novel coronavirus disease 2019 (COVID-19) variants in big cities and propagated their facile spread, leading to increased rates of hospitalizations and deaths.

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The ability to identify compositional changes in the intestinal microbiota of parasitized hosts is important for understanding the physiological processes that may affect animal productivity. Within the field of host-parasite interactions, many studies have suggested that helminths can influence the microbial composition of their hosts via their immunomodulatory effects. Bovine fascioliasis is a helminthiasis widely studied by immunologists, but with little information available regarding gut microbial communities.

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