Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a disabling multisystemic condition. The pathomechanism of ME/CFS remains unestablished; however, impaired natural killer (NK) cell cytotoxicity consistent feature this Calcium (Ca2+) crucial for NK effector functions. Growing research recognises Ca2+ signalling dysregulation in patients and implicates transient receptor potential i...