What is lower-grade hyperthermia? Amid rising COVID-19 cases, doctors share guidelines

What is lower-grade hyperthermia? Amid rising COVID-19 cases, doctors share guidelines Lower-grade hyperthermia refers to a mild but prolonged increase in body temperature, usually seen in people recovering from COVID-19. It may result from prolonged cytokine release, a temporary reset of the body’s internal thermostat, a persistent post-viral inflammatory response, or a secondary infection.