“…Until May 31, 2020 5,956,883 confirmed cases (being that the largest number of cases are concentrated in the Americas) and 366,409 deaths worldwide, which shows the seriousness of this pandemic started in December 2019. Generally, this virus causes infection in the upper respiratory tract, or, in some patients in the lower respiratory tract, presenting fever, cough and headache as main symptoms (6,34,35,42,43).…”