Rapid detection of SARS-CoV-2 using graphene-based IoT integrated advanced electrochemical biosensor

[Display omitted] •Graphene-based IoT integrated electrochemical biosensors for rapid diagnosis of SARS-CoV-2.•Integration of smart IoT-based technologies for monitoring and controlling global scale outbreak efficiently.•Brief description of smart nanomaterials based biosensors for management of COVID-19 pandemic. Unique characteristics like large surface area, excellent conductivity, functionality, ease of fabrication, etc., of graphene and its derivatives, have been extensively studied as potential candidates in healthcare applications. They have been utilized as a potential nanomaterial in biosensor fabrication for commercialized point-of-care (POC) devices. This review concisely provided innovative graphene and its derivative-based-IoT (Internet-of-Things) integrated electrochemical biosensor for accurate and advanced high-throughput testing of SARS-CoV-2 in POC setting.