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During the COVID-19 pandemic, the world has witnessed rampant use of digital technology in almost every facet of huma lives. However, these digital techniques like use of mobile apps have certain drawbacks and constrains. These could be addressed with the use of emerging technologies like Internet of Things (IoT). In healthcare, that is Internet of Medical Things (IoMT). A number of ongoing studies show that integrating security measures with technology will lead to the adoption of stable IoMT applications. Emerging IoMT technologies used in conjunction with Blockchain, Artificial Intelligence, and Big Data, provide feasible solutions. The paper focuses on IoMT models, innovations, and security progress made to tackle COVID-19 issues. This paper contains the bibliometric research highlighting the use of disruptive technology for the diagnosis of COVID-19. It reviews the adoption of contactless services in the post-COVID-19 period along with potential opportunities as well as challenging obstacles for healthcare agencies, policymakers, and customers. [ABSTRACT FROM AUTHOR]

Industrial Revolution 4.0 (IR4.0) is the buzzword of the day, affecting all aspects of human life. Academics are accountable for preparing potential employees who will need to be prepared for IR4.0 and beyond as society struggles to comprehend its implications. The application of technological improvements in teaching and learning can improve the teaching and learning process and pique learners' interest in the learning materials. 3D printing, augmented reality, virtual reality, cloud computing, hologram, biometrics, multi-touch LCD screen, internet of things, artificial intelligence, big data, and QR-code for educational purposes are among the technological breakthroughs in IR4.0 discussed in this paper. This article discusses how IR4.0 can enhance the learning environment during the Covid-19 pandemic. This article also reviews the previous literature reviews about IR4.0 technology in the learning environment. [ABSTRACT FROM AUTHOR]