Human bodies 2 Human body Antenna currents 1 Antenna efficiency 1 Antenna structures 1 Bandwidth 1 Conductivity 1 Coronavirus 1 Coronavirus disease 2019 1 Coronaviruses 1 Discomfort level 1 Efficiency 1 Electric Conductivity 1 Electric conductivity 1 Electromagnetic simulation 1 Guangzhou 1 Health care 1 Healthcare monitoring 1 Healthcare workers 1 Helical antennas 1 Hospitals 1 Human Body 1 Humans 1 Input resistance 1 Logistic regression 1 Monitoring, Physiologic 1 Multivariant analysis 1 Normal mode helical antennas 1 Normal-mode helical antenna (NMHA) 1 Pandemic 1