For the 2nd and 3rd dose I had some chills and a low fever.  My husband did a "kiss" check of my fever when I complain of chills and then got Tylenol. Fever and chills were worst this time than  previous times; For the 2nd and 3rd dose I had some chills and a low fever.  My husband did a "kiss" check of my fever when I complain of chills and then got Tylenol. Fever and chills were worst this time than  previous times; For the 2nd and 3rd dose I had muscle aches that started ~8hrs after my shot, lasted till about 24 hrs after my shot; This spontaneous case was reported by a patient and describes the occurrence of MYALGIA (For the 2nd and 3rd dose I had muscle aches that started ~8hrs after my shot, lasted till about 24 hrs after my shot), CHILLS (For the 2nd and 3rd dose I had some chills and a low fever.  My husband did a "kiss" check of my fever when I complain of chills and then got Tylenol. Fever and chills were worst this time than  previous times) and PYREXIA (For the 2nd and 3rd dose I had some chills and a low fever.  My husband did a "kiss" check of my fever when I complain of chills and then got Tylenol. Fever and chills were worst this time than  previous times) in a 36-year-old female patient who received mRNA-1273 (Spikevax) (batch nos. 011J20A, 011J20A and 066H21A) for COVID-19 prophylaxis.     Concurrent medical conditions included Drug allergy and Food allergen sensitisation.   On 28-Dec-2020, the patient received first dose of mRNA-1273 (Spikevax) (Intramuscular use) .5 milliliter. On 28-Jan-2021, received second dose of mRNA-1273 (Spikevax) (Intramuscular use) dosage was changed to .5 milliliter. On 13-Nov-2021, received third dose of mRNA-1273 (Spikevax) (Intramuscular use) dosage was changed to 1 dosage form. On an unknown date, the patient experienced MYALGIA (For the 2nd and 3rd dose I had muscle aches that started ~8hrs after my shot, lasted till about 24 hrs after my shot). an unknown date, the patient experienced CHILLS (For the 2nd and 3rd dose I had some chills and a low fever.  My husband did a "kiss" check of my fever when I complain of chills and then got Tylenol. Fever and chills were worst this time than  previous times) and PYREXIA (For the 2nd and 3rd dose I had some chills and a low fever.  My husband did a "kiss" check of my fever when I complain of chills and then got Tylenol. Fever and chills were worst this time than  previous times). The patient was treated with PARACETAMOL (TYLENOL) at a dose of 1 dosage form. At the time of the report, MYALGIA (For the 2nd and 3rd dose I had muscle aches that started ~8hrs after my shot, lasted till about 24 hrs after my shot), CHILLS (For the 2nd and 3rd dose I had some chills and a low fever.  My husband did a "kiss" check of my fever when I complain of chills and then got Tylenol. Fever and chills were worst this time than  previous times) and PYREXIA (For the 2nd and 3rd dose I had some chills and a low fever.  My husband did a "kiss" check of my fever when I complain of chills and then got Tylenol. Fever and chills were worst this time than  previous times) had resolved.            The concomitant medication was not reported by reporter.  She is allergic to medications, food, and other products.   This case was linked to US-MODERNATX, INC.-MOD-2023-743039, US-MODERNATX, INC.-MOD-2023-743903 (E2B Linked Report).; Sender's Comments:  US-MODERNATX, INC.-MOD-2023-743039:2023-2024 formula US-MODERNATX, INC.-MOD-2023-743903:Bivalent dose US-MODERNATX, INC.-MOD-2023-743039:Same patient Monovalent case