CRP and respiratory failure: As a product of cytokine induction, CRP has been classified as an indicator of cytokine storm36 which is one of the major reasons for mortality in COVID-19 patients. An increase in CRP levels in the initial phase of the infection has been implicated as an early and highly sensitive predictor for severe infection37A CRP value >41.8mg/L is indicative of the likelihood of developing severe symptoms38.CRP levels can predict the onset of comorbid cardiovascular conditions, cancer, and the probability of respiratory failure in patients39-41.