Pandemic in the 21st Century. The Challenge of COVID-19

Abstract

The first cases were reported in Wuhan City, Hubei Province, China in December 2019.The virus was identified as a coronavirus, SARS-CoV-2.The suspicion of the origin of the epidemic fell on a human-animal contact at live game markets.However, viral sequence data indicated that bats were the natural hosts [1].The clinical picture is fever, dry cough, asthenia, myalgia, dyspnoea, among other symptoms [2].Some patients progress to Severe Acute Respiratory Syndrome.In these cases, there is an intense inflammatory reaction, with cytokine storm, thrombotic coagulopathy, 7.