Fig. 5From: Free-living core body temperature monitoring using a wrist-worn sensor after COVID-19 booster vaccination: a pilot studySchematic representation of the equipment provided to the participants: (1) optical heart-rate monitor on the left upper arm; (2) ingested telemetric pill and readout monitor; (3) wearable CBT sensor on the left wrist; (4) “no-MRI” warning braceletBack to article page