Abstract
Coronavirus disease 2019 (COVID-19) is an infectious disease caused by the novel coronavirus. The role of environmental factors in COVID-19 transmission is unclear. This study aimed to analyze the correlation between meteorological conditions (temperature, relative humidity, sunshine duration, wind speed) and dynamics of the COVID-19 pandemic in Poland. Data on a daily number of laboratory-confirmed COVID-19 cases and the number of COVID-19-related deaths were gatheredfrom the official governmental website. Meteorological observations from 55 synoptic stations in Poland were used. Moreover, reports on the movement of people across different categories of places were collected. A cross-correlation function, principal component analysis and random forest were applied. Maximum temperature, sunshine duration, relative humidity and variability of mean daily temperature affected the dynamics of the COVID-19 pandemic. An increase intemperature and sunshine hours decreased the number of confirmed COVID-19 cases. The occurrence of high humidity caused an increase in the number of COVID-19 cases 14 days later. Decreased sunshine duration and increased air humidity had a negative impact on the number of COVID-19-related deaths. Our study provides information that may be used by policymakers to support the decision-making process in nonpharmaceutical interventions against COVID-19.
Highlights
Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) [1,2]
Results of cross-correlation function (CCF) between meteorological parameters and new deaths caused by Results are of CCF
This study, we presented results methods which us information similarities between of meteorological parameters and COVID-19 new COVID-19 aboutabout similarities between seriesseries of meteorological parameters and new casescases and new deaths (CCF, principal analysis (PCA))
Summary
Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) [1,2]. The most common COVID-19 symptoms are fever, cough, fatigue, dyspnea and sputum [3]. COVID-19 is a highly contagious disease and one infected person can infect two to three other people [4]. SARSCoV-2 spreads mainly through human-to-human transmission via respiratory droplets generated when an infected person coughs, sneezes or speaks [1,5]. Fomite transmission by touching a contaminated surface and touching eyes, nose or mouth occurs [5]. There is a scientific debate on the airborne transmission of SARS-CoV-2 infections (the percentage of infections that occurred through airborne transmission) but scientific evidence is inconclusive [5,6]
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