Fig. 1.
Schematic representation of dysfunctional pathways of thermoregulation in individuals with MS disease and the exacerbating role of COVID-19 in increasing heat strain. MS, multiple sclerosis; COVID-19, coronavirus disease-2019; ANS, autonomic nervous system; ROS, reactive oxygen species; NO, nitric oxide; PAMPs, pathogen-associated molecular patterns; TLRs, toll-like receptors; PGE2, prostaglandin E2.
