Really tired; Achy bones and muscles; she still has the joint pain; suppose to take 2nd dose but hesitant; This spontaneous case was reported by a consumer and describes the occurrence of PRODUCT DOSE OMISSION ISSUE (suppose to take 2nd dose but hesitant), FATIGUE (Really tired), MYALGIA (Achy bones and muscles) and ARTHRALGIA (she still has the joint pain) in a 73-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 010A21A) for COVID-19 vaccination.     NO Medical History Information was reported.     On 03-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 31-Mar-2021, the patient experienced PRODUCT DOSE OMISSION ISSUE (suppose to take 2nd dose but hesitant). On an unknown date, the patient experienced FATIGUE (Really tired), MYALGIA (Achy bones and muscles) and ARTHRALGIA (she still has the joint pain). On 31-Mar-2021, PRODUCT DOSE OMISSION ISSUE (suppose to take 2nd dose but hesitant) had resolved. At the time of the report, FATIGUE (Really tired) was resolving and MYALGIA (Achy bones and muscles) and ARTHRALGIA (she still has the joint pain) had not resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       No concomitant and treatment medications were provided.  No treatment information was provided.   This case was linked to MOD-2021-037298 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 05-Apr-2021: Additional information received and captured additional event and outcome of events. On 07-May-2021: Additional information received captured no new information. This case was received via an unknown source (no reference has been entered for a health authority or license partner) on 08-Mar-2021 and was forwarded to Moderna on 09-Mar-2021.    This spontaneous case was reported by a consumer and describes the occurrence of PRODUCT DOSE OMISSION ISSUE (suppose to take 2nd dose but hesitant), FATIGUE (Really tired), MYALGIA (Achy bones and muscles) and ARTHRALGIA (she still has the joint pain) in a 73-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 010A21A) for COVID-19 vaccination.     NO Medical History Information was reported.     On 03-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 31-Mar-2021, the patient experienced PRODUCT DOSE OMISSION ISSUE (suppose to take 2nd dose but hesitant). On an unknown date, the patient experienced FATIGUE (Really tired), MYALGIA (Achy bones and muscles) and ARTHRALGIA (she still has the joint pain). On 31-Mar-2021, PRODUCT DOSE OMISSION ISSUE (suppose to take 2nd dose but hesitant) had resolved. At the time of the report, FATIGUE (Really tired) was resolving and MYALGIA (Achy bones and muscles) and ARTHRALGIA (she still has the joint pain) had not resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       No concomitant and treatment medications were provided.  No treatment information was provided.   This case was linked to MOD-2021-037298 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 05-Apr-2021: Additional information received and captured additional event and outcome of events. On 07-May-2021: Additional information received captured no new information.