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  1. Fulltext Pandemic one health clones of Escherichia coli and Klebsiella pneumoniae producing CTX-M-14, CTX-M-27, CTX-M-55 and CTX-M-65 ESβLs among companion animals in northern Ecuador
    Gonzales-Zubiate FA, Tambor JHM, Valencia-Bacca J, Villota-Burbano MF, Cardenas-Arias A, Esposito F, et al.
    Front Cell Infect Microbiol, 2023;13:1259764.
    PMID: 39840255 DOI: 10.3389/fcimb.2023.1259764
    From a One Health perspective, dogs and cats have begun to be recognized as important reservoirs for clinically significant multidrug-resistant bacterial pathogens. In this study, we investigated the occurrence and genomic features of ESβL producing Enterobacterales isolated from dogs, in the province of Imbabura, Ecuador. We identified four isolates expressing ESβLs from healthy and diseased animals. In this regard, two Escherichia coli strains producing CTX-M-55-like or CTX-M-65 ESβLs belonged to the international ST10 and ST162, whereas two Klebsiella pneumoniae producing CTX-M-14 or CTX-M-27 belonged to ST35 and ST661. Phylogenomic analysis clustered (95-105 SNP differences) CTX-M-55/ST10 E. coli from companion animal with food and human E. coli strains of ST10 isolated in 2016, in Australia and Cambodia, respectively; whereas CTX-M-27-positive K. pneumoniae ST661 was clustered (201-216 SNP differences) with human strains identified in Italy, in 2013 and 2017, respectively. In summary, we report the presence and genomic data of global human-associated clones of CTX-M-producing E. coli and K. pneumoniae in dogs, in Ecuador. The implementation of a national epidemiological surveillance program is necessary to establish future strategies to control the dissemination of antibiotic-resistant priority pathogens using a One Health approach.
    Matched MeSH terms: Ecuador/epidemiology
  2. Malaria elimination: report from the inaugural global forum of countries with potential to eliminate malaria by 2020
    Wkly. Epidemiol. Rec., 2017 09 29;92(39):578-86.
    PMID: 28960948
    Matched MeSH terms: Ecuador/epidemiology
  3. Fulltext Association between the spread of COVID-19 and weather-climatic parameters
    Carta MG, Scano A, Lindert J, Bonanno S, Rinaldi L, Fais S, et al.
    Eur Rev Med Pharmacol Sci, 2020 08;24(15):8226-8231.
    PMID: 32767354 DOI: 10.26355/eurrev_202008_22512
    OBJECTIVE: To explore whether the climate has played a role in the COVID-19 outbreak, we compared virus lethality in countries closer to the Equator with others. Lethality in European territories and in territories of some nations with a non-temperate climate was also compared.

    MATERIALS AND METHODS: Lethality was calculated as the rate of deaths in a determinate moment from the outbreak of the pandemic out of the total of identified positives for COVID-19 in a given area/nation, based on the COVID-John Hopkins University website. Lethality of countries located within the 5th parallels North/South on 6 April and 6 May 2020, was compared with that of all the other countries. Lethality in the European areas of The Netherlands, France and the United Kingdom was also compared to the territories of the same nations in areas with a non-temperate climate.

    RESULTS: A lower lethality rate of COVID-19 was found in Equatorial countries both on April 6 (OR=0.72 CI 95% 0.66-0.80) and on May 6 (OR=0.48, CI 95% 0.47-0.51), with a strengthening over time of the protective effect. A trend of higher risk in European vs. non-temperate areas was found on April 6, but a clear difference was evident one month later: France (OR=0.13, CI 95% 0.10-0.18), The Netherlands (OR=0.5, CI 95% 0.3-0.9) and the UK (OR=0.2, CI 95% 0.01-0.51). This result does not seem to be totally related to the differences in age distribution of different sites.

    CONCLUSIONS: The study does not seem to exclude that the lethality of COVID-19 may be climate sensitive. Future studies will have to confirm these clues, due to potential confounding factors, such as pollution, population age, and exposure to malaria.

    Matched MeSH terms: Ecuador/epidemiology
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