Biomarkers, tools, and test kits for COVID-19

Currently, the COVID-19 pandemic appears to be the biggest challenge to man, claiming over 600,000 lives within 7 months. Various diagnostic kits for COVID-19 have emerged which is important in keeping track of the escalation of the disease. The World Health Organization has implored health agencies time and again to make the test for the novel coronavirus a top priority in their response to the pandemic. Another most challenging task of COVID-19 is to identify asymptomatic cases which silently spread virus to close contacts and become the super spreader. Hence rapid diagnosing, identifying the positive cases, and quarantining are the only ways to prevent the pandemic outbreak. This chapter highlights the different possible diagnostic tests for COVID-19 with their errors in prediction and future directions.