Also Read | How plant meat is coming of age in IndiaAccording to the research, the coronavirus infection leaves damage in its wake as it slowly moves across the lung and continuously fuels the fever, low blood pressure, and damage to the kidneys, brain, heart and other organs in patients with COVID-19.The scientists, including those from Northwestern University in the US, noted that severe complications of COVID-19 compared with pneumonias caused due to other types of infections might be related to the long course of disease rather than more severe disease.They performed a high-resolution analysis of the lung fluid of 86 COVID-19 patients on a ventilator and compared it with lung fluid from 256 patients on a ventilator who had other types.