Overview of symptoms in order of occurrence:  Pain in the arm; Dry eyes; Fatigue; Nausea; Headache; Chills; Joint pain; Muscle aches; Dizziness; Measured Fever; and Arm rash.  Symptoms of greatest concern: Nausea, Headache, Chills for 1-2 days; and the ongoing Fatigue is now in its 4th day.  Details of symptoms with time of onset, duration and severity are provided below (Note: Injection with 2nd dose of Moderna vaccine took place at 9:24AM on 07APR21):  07APR21, 10:30AM ? Arm Pain: Onset of mild pain in arm that was noticed when not touching the arm; Level of pain was a ?1? out of 10).  An annoying level of pain where the pain ramped up to 3 or 4 on a scale of 10 when the arm was moved about began at 7:00PM on 07APR21 and lasted 12 hours until 7:00AM on 08APR21.  The pain diminished to a mild ache for another 33 hours until it became insignificant by 4:00PM on 09APR21.  07APR21, 1:00PM ? Dry Eyes: Onset of an intermittent feeling of very dry eyes that lasted approximately 1-2 hours at a time and continued over a period of 9 hours until 10PM on 07APR21.  07APR21, 3:30PM - Fatigue: Onset of mild fatigue that steadily increased until bedtime at 10:00PM on 07APR21; and was significantly more pronounced at 1:00AM on 08APR21 (was difficult to stand and walk 20? to closet to obtain a thermometer; could not walk straight and bumped into hallway on left 4-5 times).  Fatigue was rather frightening and severe from 3:00AM to 3:30AM on 08APR21 when I crawled to the bathroom, but could not get off my knees and collapsed on the floor until I could return to bed by crawling on the floor.  Was able to stand again at 7:00AM on 08APR21 and walked (slowly) 30? to a sofa.  Slept from 10PM on 07APR21 to 1:00AM on 08APR21; 4:00-7:30AM on 08APR21; 8:30-10:30AM on 08APR21; 11:00AM to 3:00PM on 08APR21; 7:00PM on 08APR21 to 3:00AM on 09APR21; 3:30AM to 7:30AM on 09APR21; 9:30PM on 09APR21 to 9:15AM on 10APR21; 6:40PM on 10APR21 to 7:00AM on 11APR21.  Ongoing weariness continues as I write this at 11:00AM on 11APR21.  07APR21, 7:10PM - Nausea: Onset of continuous nausea that lasted 13 hours and 20 minutes until 08APR21, 8:30AM. Nausea was particularly bad with intermittent dry heaves for the 7.5 hours lasting from 1:00AM to 8:30AM on 08APR21; Nausea then came in waves for 23 more hours until 09Apr21, 7:30AM when it was finally gone.  07APR21, 7:10PM - Headache: Onset of headache that has lasted 4 days (as of 11APR21, 10:30AM). Finally gave in and took one extended release tablet of 650mg Acetaminophen tablet about 25 hours after the vaccination (i.e., took painkiller at 10:30AM on 08APR21).  Took two Ibuprofen at 9:00AM on 11APR21.  07APR21, 7:15PM ? Chills: Onset of chills that increased to intermittent shivering by bedtime at 10PM on 07APR21. Awoke at 1:00AM on 08APR21 and could not get warm.  Two hours later, at 3:00AM, I felt completely opposite and could not feel cool.  These symptoms gradually subsided and were gone by 7:30AM on 09Apr21.  07APR21, 7:15PM ? Joint Pain and Muscle Aches: Onset of joint pain and muscle aches that occasionally became annoying with twinges of pain. These symptoms subsided by 7:30AM on 09Apr21.  07APR21, 7:15PM ? Dizziness: Onset of mild dizziness that lasted 12 hours until 7:15AM on 08APR21.  08APR21, 1:00AM ? Measured Fever: Decided to measure temperature due to significant chills and shivering and found temperature was 101.0 at 1:00AM on 08APR21.  At 3:00PM on 08APR21, my temperature was 100.2 (this was 4.5 hours after taking one extended release tablet of 650mg acetaminophen).  At 3:00AM on 09APR21, my temperature measured 98.6 degrees and has remained near there ever since.  09APR21, 4:00PM ? Arm Rash: First noticed presence of a rash measuring about 2? x 3? on upper arm near the area that received the injection.  Mild itchiness was present about an hour later and a topical 2% diphenhydramine gel was applied.  The rash had dissipated by 5PM on 10APR21.