Tingling /only tingling on the right side; Left arm was very sore; bit of cough; Hard to walk and mentioned labored walking from the waist down/could move but it was difficult to walk; trouble sleeping, does not sleep as well; sluggishness; Diarrhoea; Weight loss of 20 pounds; Could still walk but was wobbly/Could not hardly function; Trouble concentrating; Memory issues; Sick; Hurt; Could not eat; further progressed his underlying Type 2 diabetes and arthritis; Fatigued and worn out; got real ill, described as that he had over a 103 degree temperature; body aches; had a period of severe chills, described as his having jackets on and could not get warm; one half of his body was numb on the left side/numbnesss on left and right  side of body; was too hot and could not get cool; Sweating; This spontaneous case was reported by a consumer and describes the occurrence of PARAESTHESIA (Tingling /only tingling on the right side), PAIN IN EXTREMITY (Left arm was very sore), COUGH (bit of cough), GAIT DISTURBANCE (Hard to walk and mentioned labored walking from the waist down/could move but it was difficult to walk) and POOR QUALITY SLEEP (trouble sleeping, does not sleep as well) in a 70-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Sleep apnea, Type 2 diabetes mellitus and Psoriatic arthritis.   On 08-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 05-Feb-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 06-Feb-2021, the patient experienced HYPERHIDROSIS (Sweating) and FEELING HOT (was too hot and could not get cool). On 07-Feb-2021, the patient experienced HYPOAESTHESIA (one half of his body was numb on the left side/numbnesss on left and right  side of body). On an unknown date, the patient experienced PARAESTHESIA (Tingling /only tingling on the right side), PAIN IN EXTREMITY (Left arm was very sore), COUGH (bit of cough), GAIT DISTURBANCE (Hard to walk and mentioned labored walking from the waist down/could move but it was difficult to walk), POOR QUALITY SLEEP (trouble sleeping, does not sleep as well), SLUGGISHNESS (sluggishness), DIARRHOEA (Diarrhoea), WEIGHT DECREASED (Weight loss of 20 pounds), MOBILITY DECREASED (Could still walk but was wobbly/Could not hardly function), DISTURBANCE IN ATTENTION (Trouble concentrating), MEMORY IMPAIRMENT (Memory issues), ILLNESS (Sick), PAIN (Hurt), EATING DISORDER (Could not eat), CONDITION AGGRAVATED (further progressed his underlying Type 2 diabetes and arthritis), FATIGUE (Fatigued and worn out), PYREXIA (got real ill, described as that he had over a 103 degree temperature), MYALGIA (body aches) and CHILLS (had a period of severe chills, described as his having jackets on and could not get warm). The patient was treated with VITAMIN B12 NOS at a dose of 1 dosage form. At the time of the report, PARAESTHESIA (Tingling /only tingling on the right side), PAIN IN EXTREMITY (Left arm was very sore), COUGH (bit of cough), GAIT DISTURBANCE (Hard to walk and mentioned labored walking from the waist down/could move but it was difficult to walk), POOR QUALITY SLEEP (trouble sleeping, does not sleep as well), SLUGGISHNESS (sluggishness), HYPERHIDROSIS (Sweating), DIARRHOEA (Diarrhoea), WEIGHT DECREASED (Weight loss of 20 pounds), MOBILITY DECREASED (Could still walk but was wobbly/Could not hardly function), DISTURBANCE IN ATTENTION (Trouble concentrating), MEMORY IMPAIRMENT (Memory issues), FEELING HOT (was too hot and could not get cool), HYPOAESTHESIA (one half of his body was numb on the left side/numbnesss on left and right  side of body), ILLNESS (Sick), PAIN (Hurt), EATING DISORDER (Could not eat), CONDITION AGGRAVATED (further progressed his underlying Type 2 diabetes and arthritis), FATIGUE (Fatigued and worn out), PYREXIA (got real ill, described as that he had over a 103 degree temperature), MYALGIA (body aches) and CHILLS (had a period of severe chills, described as his having jackets on and could not get warm) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 05-Feb-2021, Blood glucose: 390 High. On 05-Feb-2021, Body temperature: 103 High.         No concomitant medication information was provided by the reporter     This case was linked to US-MODERNATX, INC.-MOD-2021-103698 (E2B Linked Report).   Most recent FOLLOW-UP information incorporated above includes: On 04-May-2021: Additional info 1 : AE's for dose 2, DOB On 04-May-2021: Events added On 04-May-2021: Events: Aches and pains, Sluggishness added On 05-Jun-2021: Non-significant follow-up appended; Sender's Comments:  US-MODERNATX, INC.-MOD-2021-103698: