feeling sluggish; weak; staying in bed more than usual; feeling like being hit by a bus; feels like he has COVID; dizziness; achy all over / aches and pain; chills; fatigued; joint pain; headaches; This spontaneous case was reported by a patient and describes the occurrence of SLUGGISHNESS (feeling sluggish), ASTHENIA (weak), BED REST (staying in bed more than usual), FEELING ABNORMAL (feeling like being hit by a bus) and SUSPECTED COVID-19 (feels like he has COVID) in a 70-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 001m21a) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Previously administered products included for Product used for unknown indication: Pfizer (1st dose of lot #en6201) in February 2021, Pfizer (2nd dose of lot #en6206) in March 2021 and Pfizer (1st booster of lot #ew0187) on 28-Aug-2021. Past adverse reactions to the above products included No adverse event with Pfizer, Pfizer and Pfizer. Concomitant products included NYSTATIN (STATIN [NYSTATIN]) for an unknown indication.    On 02-May-2022, the patient received fourth dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced SLUGGISHNESS (feeling sluggish), ASTHENIA (weak), BED REST (staying in bed more than usual), FEELING ABNORMAL (feeling like being hit by a bus), SUSPECTED COVID-19 (feels like he has COVID), DIZZINESS (dizziness), MYALGIA (achy all over / aches and pain), CHILLS (chills), FATIGUE (fatigued), ARTHRALGIA (joint pain) and HEADACHE (headaches). At the time of the report, SLUGGISHNESS (feeling sluggish), ASTHENIA (weak), BED REST (staying in bed more than usual), FEELING ABNORMAL (feeling like being hit by a bus), SUSPECTED COVID-19 (feels like he has COVID), DIZZINESS (dizziness), MYALGIA (achy all over / aches and pain), CHILLS (chills), FATIGUE (fatigued), ARTHRALGIA (joint pain) and HEADACHE (headaches) outcome was unknown.            Following vaccination with the 2nd booster dose patient started to experience events. It was reported that Patient felt like he had COVID and thought about getting tested. In the Pharmacy they give him to choose Moderna or Pfizer and then he googled it and the information was that the mRNA from the Moderna vaccine was 100mcg and 30mcg for the Pfizer and "the studies said that Moderna was better". Patient then "feels kind of normal"  Treatment information reported as none.  Company comment: This is a spontaneous case concerning a 70-year-old male patient with no reported medical history, who experienced the non-serious unexpected event Suspected COVID-19, on an unknown date after second booster dose of COVID-19 vaccination with mRNA-1273 (previous 3 doses with Pfizer vaccine). Patient reported symptoms included sluggishness, asthenia, feeling abnormal, dizziness, myalgia, chills, fatigue, arthralgia and headache. It was reported that patient felt like he had COVID and thought about getting tested. The benefit-risk relationship of mRNA-1273 is not affected by this report.   Most recent FOLLOW-UP information incorporated above includes: On 04-May-2022: Follow-up received updated No new information; Sender's Comments: Company comment: This is a spontaneous case concerning a 70-year-old male patient with no reported medical history, who experienced the non-serious unexpected event Suspected COVID-19, on an unknown date after second booster dose of COVID-19 vaccination with mRNA-1273 (previous 3 doses with Pfizer vaccine). Patient reported symptoms included sluggishness, asthenia, feeling abnormal, dizziness, myalgia, chills, fatigue, arthralgia and headache. It was reported that patient felt like he had COVID and thought about getting tested. The benefit-risk relationship of mRNA-1273 is not affected by this report.