Social distancing is an important measure to prevent the collapse of public health systems during the COVID-19 pandemic. While some countries have managed to impose a strong control for social distancing, countries like Brazil largely depend on the population’s cooperation. Therefore, it is very necessary to monitor human mobility to detect whether social distancing policies are being implemented and to adjust them in places where the population is not adhering to these. By using cell phone data of millions of people, we were able to assess the population mobility in Brazil’s biggest city, São Paulo. Our analysis revealed the reduction in the circulation of people in most neighborhoods after social distancing policies began. We also showed the dispersion of people by tracking the visits of people to the GRU airport and the visit locations of the same people after they left the airport. Over the course of a few days, it was possible to detect over 70,000 visits across Brazil, with distances greater than 2,000 km from the GRU airport. We hope that data when collected in real time can be useful to stem the progress of the COVID-19 epidemic, or at least to help “flatten the curve”.
This study is an ascertaining one, its purpose being to find out if there is a relationship between time management and oral hygiene in the context of the COVID-19 pandemic, during the isolation period. We started from the presumption that people who stay at home, even if they have more free time, will pay special attention to dental hygiene only depending on their time management. The objectives of the study involve exploring the associations between three variables of the oral hygiene dimension and three variables of the time management dimension. The number of respondents was 260, aged between 18 and 82, both from urban areas (67.3%) and from rural areas (32.7%). The participants are predominantly female. To test the hypothesis, we developed and used a questionnaire that addressed issues related to oral hygiene and we adapted and used a time management questionnaire (Indreica, 2019). The obtained results confirmed the existence of an association between the two dimensions, the correlations between their variables being highly significant. The implications and limitations of the research are also summarized in this paper.
On 22 July 2003, the Scottish Centre for Infection and Environmental Health
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