Navegar por los elementos (20655 total)

O objetivo do presente estudo foi avaliar a utilização de inóculos decianobactérias fixadoras de nitrogênio como alternativa à adubação química de nitrogênio na cultura do arroz irrigado. Para tanto, foram conduzidos quatro experimentos, nos anos…

Objectives The purpose of this study was to assess the impact of the COVID-19 pandemic on orthopedic and trauma surgery in private practices and hospitals in Germany. Design In this cross-sectional study, an online-based anonymous survey was…

“Coronavirus disease 2019” (COVID-19) transmitted by a novel coronavirus via contact or droplet spread is a highly infectious disease, the containment of which requires vigilance and stringent infection control policies. In the backdrop of hospitals…

Bats are sources of high viral diversity and high-profile zoonotic viruses worldwide. Although apparently not pathogenic in their reservoir hosts, some viruses from bats severely affect other mammals, including humans. Examples include severe acute…

Resumen La tesis de esta contribución es que las investigaciones de Alexander von Humboldt ejemplifican un ‘programa de investigación progresivo’ (Imre Lakatos 1978). Examino la propuesta de Adolf Meyer-Abich (1968) de que el método de Humboldt se…

Abstract Background The objective of this study was to explore the use and perceptions of a local Severe Acute Respiratory Syndrome (SARS) Extranet and its potential to support future information and communication applications. The SARS Extranet was…

Since December 2019, a global pandemic has been observed, caused by the emergence of a new coronavirus, SARS CoV-2. The latter is responsible for the respiratory disease, COVID-19. The infection is also characterized by renal, hepatic, and…

In early April 2003, severe acute respiratory syndrome (SARS) was diagnosed in a Pennsylvania resident after his exposure to persons with SARS in Toronto, Canada. To identify contacts of the case-patient and evaluate the risk for SARS transmission, a…