She has already passed 6 weeks from first dose/ could not receive 2nd Moderna dose; Next day the glands became huge and swollen/still has swollen glands on the left side; Headache; Glands started hurting; Stiff neck; Malaise; This spontaneous case was reported by a consumer and describes the occurrence of MUSCULOSKELETAL STIFFNESS (Stiff neck), MALAISE (malaise), PRODUCT DOSE OMISSION ISSUE (She has already passed 6 weeks from first dose/ could not receive 2nd Moderna dose), LYMPHADENOPATHY (Glands started hurting) and LYMPHADENOPATHY (Next day the glands became huge and swollen/still has swollen glands on the left side) in a 71-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 001A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Blood pressure high since 2005, Hypogammaglobulinemia since 2000, Hypercholesteraemia since 2005, Immune disorder (NOS), Sleep disorder, Migraine, Seafood allergy (crab), Drug allergy (Tegretrol) and Penicillin allergy. Concomitant products included LISINOPRIL and METOPROLOL for Blood pressure management, IMMUNOGLOBULIN HUMAN NORMAL (GAMUNEX C) for Hypogammaglobulinemia, TOPIRAMATE for Migraine, QUETIAPINE for Sleep disorder.    On 23-Feb-2021 at 11:00 AM, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 23-Feb-2021, the patient experienced MUSCULOSKELETAL STIFFNESS (Stiff neck). 23-Feb-2021, the patient experienced MALAISE (malaise), LYMPHADENOPATHY (Glands started hurting) and HEADACHE (Headache). On 24-Feb-2021, the patient experienced LYMPHADENOPATHY (Next day the glands became huge and swollen/still has swollen glands on the left side). On an unknown date, the patient experienced PRODUCT DOSE OMISSION ISSUE (She has already passed 6 weeks from first dose/ could not receive 2nd Moderna dose). The patient was treated with PARACETAMOL (TYLENOL) for Headache, at an unspecified dose and frequency and DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]) at an unspecified dose and frequency. At the time of the report, MUSCULOSKELETAL STIFFNESS (Stiff neck), MALAISE (malaise), LYMPHADENOPATHY (Glands started hurting) and HEADACHE (Headache) outcome was unknown, PRODUCT DOSE OMISSION ISSUE (She has already passed 6 weeks from first dose/ could not receive 2nd Moderna dose) had resolved and LYMPHADENOPATHY (Next day the glands became huge and swollen/still has swollen glands on the left side) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): In 2021, Antibody test: 0 (abnormal) Antibodies spike protein test done, came back showing 0 antibodies..     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       On 27 Jul 2021 patient mentioned that she still didn't received her second dose.   Most recent FOLLOW-UP information incorporated above includes: On 18-May-2021: Follow received on 18MAY2021 contains patient's demographics and additional  medical history details. Vaccine administration time added,  Concomitant medication details, event start date and additional event malaise added. Treatment medication added. On 27-Jul-2021: Follow-up received, lab data added, event out come for still has swollen glands on left side updated to not recovered.