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Over the last few decades, the emergence and re-emergence of various pathogenic viruses have significantly impacted human health. The continuous rise in cases with increasing mortality rates has driven the chase for effective treatment options and early diagnosis to combat this global health issue. Currently, used laboratory techniques for virus detection require complex equipment, trained personnel, and, most importantly, are time-consuming. In times of outbreaks and epidemics like COVID-19 and Ebola, easy-to-use and point-of-care tests, especially for developing and underdeveloped countries, are indispensable.

This chapter explicitly discusses the availability of the detection methods for various human viral pathogens with their shortcomings and recent advancements in biosensors. With the ongoing improvement in biosensors, these hold important avenues for rapid, sensitive, and scalable devices for viral …