Mostrando 1,541 - 1,560 Resultados de 91,829 Para Buscar '"Americas"', tiempo de consulta: 0.40s Limitar resultados
  1. 1541
    “…BACKGROUND: We evaluate the process by which the Americas were originally colonized and propose a three-stage model that integrates current genetic, archaeological, geological, and paleoecological data. …”
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  2. 1542
  3. 1543
  4. 1544
  5. 1545
    “…Environmental factors implicated in the spread of Vibrio cholerae such as ocean currents and temperatures, as well as biotic factors from zooplankton to waterfowl pose a risk for many countries in the Americas. RESULTS: The movement of people and goods from Hispaniola are mostly destined for North America, but occur to some degree throughout the Americas. …”
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  6. 1546
  7. 1547
    “…Because human cases of dirofilariosis by D. immitis are relatively frequent in the Americas and rare in Europe and other eastern countries, where Dirofilaria repens is the main causative agent, the existence of a more virulent strain of D. immitis in the Americas has been speculated. …”
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  8. 1548
  9. 1549
  10. 1550
    “…CONCLUSIONS: This population has the lowest prevalence of cholelithiasis in the Americas. Dietary habits, physical activity, ethnicity, alcohol consumption and genetic factors may be responsible for this low prevalence.…”
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  11. 1551
    “…For the last 500 years, the Americas have been a melting pot both for genetically diverse humans and for the pathogenic and commensal organisms associated with them. …”
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  12. 1552
  13. 1553
  14. 1554
    “…Data from 19 of 35 countries surveyed in the 2015 Third Global Survey on eHealth for the region of the Americas were analysed. 52.6% of the countries of the Americas have a national policy or strategy for UHC. 57.9% of the countries in the sample indicate that they have a national eHealth policy or strategy, but only 26.3% have an entity that supervises the quality, safety and reliability regulations for mobile health applications. …”
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  15. 1555
    “…Some recent academic and popular literature implies that the problem of the colonization of the Americas has been largely resolved in favor of one specific model: a Pacific coastal migration, dependent on high marine productivity, from the Bering Strait to South America, thousands of years before Clovis, the earliest widespread cultural manifestation south of the glacial ice. …”
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  16. 1556
  17. 1557
    “…Analysis is based on 12 years of weekly malaria P. vivax cases in Tartagal, Salta, Argentina—at the southern fringe of malaria incidence in the Americas—together with humidity and temperature time-series spanning the same period. …”
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  18. 1558
    “…As far as we known, this study represents the first detection of HBoV recombinants strains in the Americas.…”
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  19. 1559
  20. 1560
    “…However, in 2017, there was a noticeable reduction in reported dengue incidence cases within the Americas, including severe and fatal cases. Understanding the mechanism underlying dengue's incidence and decline in the Americas is vital for public health planning. …”
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