COVID-19 COVID-19 testing Clinical laboratory services Communication techniques Convolutional codes Discrete components Electric batteries Electric power utilization Electronic equipment Health monitoring system Intra-body communications Liquid crystal displays Monitoring Networks (circuits) Off-the-shelf components Pathology RNA extraction Reconfigurable hardware Remote health monitoring Review Severe acute respiratory syndrome coronavirus 2 Short range data communication Thermoelectric equipment Transmitter and receiver Transmitters Wide area networks clinical laboratory service coronavirus disease 2019 cytology formaldehyde