diminished sense of smell and taste; severe chills; high fever of 101.3 F; nausea but no vomiting; muscle cramps; abdominal cramps; fatigue/ lack of energy (to the point where she couldn't get out of bed); fatigue/ lack of energy (to the point where she couldn't get out of bed); diminished sense of smell and taste; This spontaneous case was reported by a consumer and describes the occurrence of CHILLS (severe chills), PYREXIA (high fever of 101.3 F), NAUSEA (nausea but no vomiting), MUSCLE SPASMS (muscle cramps) and ABDOMINAL PAIN (abdominal cramps) in a 78-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 026A21A and 004M20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History Information was reported.    On 10-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 11-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 11-Mar-2021, the patient experienced CHILLS (severe chills), PYREXIA (high fever of 101.3 F), NAUSEA (nausea but no vomiting), MUSCLE SPASMS (muscle cramps), ABDOMINAL PAIN (abdominal cramps), ASTHENIA (fatigue/ lack of energy (to the point where she couldn't get out of bed)), FATIGUE (fatigue/ lack of energy (to the point where she couldn't get out of bed)) and ANOSMIA (diminished sense of smell and taste). On an unknown date, the patient experienced HYPOGEUSIA (diminished sense of smell and taste). The patient was treated with PARACETAMOL (TYLENOL) for Adverse event, at an unspecified dose and frequency. On 25-Mar-2021, CHILLS (severe chills) outcome was unknown. At the time of the report, PYREXIA (high fever of 101.3 F), NAUSEA (nausea but no vomiting), MUSCLE SPASMS (muscle cramps), ABDOMINAL PAIN (abdominal cramps), ASTHENIA (fatigue/ lack of energy (to the point where she couldn't get out of bed)), FATIGUE (fatigue/ lack of energy (to the point where she couldn't get out of bed)), ANOSMIA (diminished sense of smell and taste) and HYPOGEUSIA (diminished sense of smell and taste) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 11-Mar-2021, Pyrexia: degree Celsius (High) 101.3.         No relevant Concomitant medications were reported.   This case was linked to MOD21-062474 (Patient Link). This case was received via an unknown source (no reference has been entered for a health authority or license partner) on 25-Mar-2021 and was forwarded to Moderna on 25-Mar-2021.    This spontaneous case was reported by a consumer and describes the occurrence of CHILLS (severe chills), PYREXIA (high fever of 101.3 F), NAUSEA (nausea but no vomiting), MUSCLE SPASMS (muscle cramps) and ABDOMINAL PAIN (abdominal cramps) in a 78-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 026A21A and 004M20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History Information was reported.    On 10-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 11-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 11-Mar-2021, the patient experienced CHILLS (severe chills), PYREXIA (high fever of 101.3 F), NAUSEA (nausea but no vomiting), MUSCLE SPASMS (muscle cramps), ABDOMINAL PAIN (abdominal cramps), ASTHENIA (fatigue/ lack of energy (to the point where she couldn't get out of bed)), FATIGUE (fatigue/ lack of energy (to the point where she couldn't get out of bed)) and ANOSMIA (diminished sense of smell and taste). On an unknown date, the patient experienced HYPOGEUSIA (diminished sense of smell and taste). The patient was treated with PARACETAMOL (TYLENOL) for Adverse event, at an unspecified dose and frequency. On 25-Mar-2021, CHILLS (severe chills) outcome was unknown. At the time of the report, PYREXIA (high fever of 101.3 F), NAUSEA (nausea but no vomiting), MUSCLE SPASMS (muscle cramps), ABDOMINAL PAIN (abdominal cramps), ASTHENIA (fatigue/ lack of energy (to the point where she couldn't get out of bed)), FATIGUE (fatigue/ lack of energy (to the point where she couldn't get out of bed)), ANOSMIA (diminished sense of smell and taste) and HYPOGEUSIA (diminished sense of smell and taste) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 11-Mar-2021, Pyrexia: degree Celsius (High) 101.3.         No relevant Concomitant medications were reported.   This case was linked to MOD21-062474 (Patient Link).