The world changed and, together with it, all its constitutive systems. Either it is about the economic system or the social one, the recent events showed that change is possible, and even very rapidly. COVID-19 pandemic substantially changed the way the people trade...
On day zero of the lag interval, with the increase in the number of newly confirmed COVID-19 cases, the fracture risk first increased and then decreased. On the tenth day of the lag interval, the fracture risk did not change with the increase in the number of newly confirmed COVID-19 ...
At present, the novel coronavirus disease 2019 (COVID-19) has spread pandemically in more than 100 countries and regions around the world, causing serious impact on people’s daily production life and the smooth and healthy operation of social economy (Le et al.2020; Li et al.2021). As ...
The Impact of Lockdown during COVID-19 Pandemic on Physical Activity: a Web-based Cross-sectional Survey INTRODUCTION: Home lockdown enforced during COVID-19 pandemic may have affected individuals' lifestylesand, possibly, their physical activity (PA) levels. ... FEO Cabral,F Franco-Pego,P ...
To prevent the escalation of COVID-19 transmission, China locked down one-third of its cities, which strictly curtailed personal mobility and economic activities. Using comprehensive daily air quality data in China, we evaluated the impacts of these measures in terms of the Air Quality Index (AQI...
Short-term Forecasting of the COVID-19 Pandemic using Google Trends Data: Evidence from 158 Countriesdoi:10.2139/ssrn.3671005COVID-19Google TrendsVARARIMAARIMA-XETSLASSOSIR modelThe ability of Google Trends data to forecast the number of new daily cases and deaths of COVID-19 is examined using...
To answer what the US president said, UN Secretary General Antonio Guterres talked about the importance of the WHO during the COVID-19 pandemic(疫情). He pointed out that thousands of WHO workers are fighting the illness on the frontlines.In fact, the WHO leads the world in all areas in ...
题目During the COVID-19 pandemic(流行病),some people found their exercise was greatly reduced.However,it was an attraction for others to increase their physical activity.With the change of working from home,some physical activity was reduced.People took this newly freed up time...
parameters and the daily incidence of COVID19, specifically during the early stage of the outbreak in a restricted region severely affected by the pandemic, before the implementation of strict containment policies and testing strategy that can distort associations between air pollution and COVID19. In...
【题文】 The best hope for ending the COVID19 pandemic is a vaccine. There is no shortage of candidates. The World Health Organization is tracking 34 in various stages of development. How well they will work though, is another matter. On September 9th Astra Zeneca, a drug firm, announc...