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There is an increasing body of evidence suggesting that transmission of respiratory viruses occurs through the inhalation of virus-laden particles. Our study describes the use of an aerosol sampling system to monitor the prevalence of airborne…

Te world has been grappling with the outbreak of COVID-19 for the past few months. Te coronavirus, which was frst reported in Wuhan, China has now spread to 82 countries and infected more than 95000 individuals. As of March 5, 2020, there have been…

A cluster of severe pneumonia of unknown etiology in Wuhan City, Hubei province in China emerged in December 2019. A novel coronavirus named severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) was isolated from lower respiratory tract sample…

Abstract Background Host genetic factors may play a role in the occurrence and progress of SARS-Cov infection. This study was to investigate the relationship between tumor necrosis factor (TNF)-α gene polymorphisms with the occurrence of SARS-CoV…

Abstract Background Host genetic factors may play a role in the occurrence and progress of SARS-Cov infection. This study was to investigate the relationship between tumor necrosis factor (TNF)-α gene polymorphisms with the occurrence of SARS-CoV…

In a paramo region near Bogotá (Colombia), 3.230 m aboveseal evel investigations were made of clima, soil vegetation and fauna.  The mean temperature was 8.4 degrees C and the annual rainfall 1.221.4 mm. Sometimes great variations of relative…

Research background: The overall impact of coronavirus has some positives and negatives on the tourism sector and thus on other downstream sectors. The stagnation of tourism will make it easier for overcrowded tourist centers, which corresponds to…

This article discussed Vietnam’s ongoing efforts to decentralize the health system and its fitness to respond to global health crises as presented through the Covid-19 pandemic. We used a general review and expert’s perspective to explore the topic.…

The article deals with the problem of sustainability of modern cities in the context of the implementation of the concept of a “smart city”, the combination of the technologies of which acts as an innovative factor in the development of modern urban…

Introduction/purpose: At the end of 2019, the Coronavirus disease 2019(COVID-19) was identified first in the Hubei province of China and then itspread over the world causing the coronavirus pandemic. The virus hasgiven very different outcomes in…