COVID-19 pandemicIncubation periodTourist groups transmissionTrain transmissionNovel coronavirus disease (SARS COV-2 infection or COVID-19) is a respiratory tract infection which has been linked with severe acute respiratory syndrome transmitted particularly through touching and respiration. The purpose of ...
1. Introduction Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). After an incubation period of 4–7 days, respiratory symptoms such as fever, fatigue and a dry cough appear in some patients, and pneumonia ...