Platelets have been low since the First shot / Low Platelet Counts still at "127" which is below the normal of "144" minimums in my bloodwork; headaches and breathing issues as much with the 3rd dose, as with the first two at the first part of the year.; headaches and breathing issues as much with the 3rd dose, as with the first two at the first part of the year.; This spontaneous case was reported by a consumer and describes the occurrence of PLATELET COUNT DECREASED (Platelets have been low since the First shot / Low Platelet Counts still at "127" which is below the normal of "144" minimums in my bloodwork), RESPIRATORY DISORDER (headaches and breathing issues as much with the 3rd dose, as with the first two at the first part of the year.) and HEADACHE (headaches and breathing issues as much with the 3rd dose, as with the first two at the first part of the year.) in a 65-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination.     No Medical History information was reported.    On an unknown date, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced PLATELET COUNT DECREASED (Platelets have been low since the First shot / Low Platelet Counts still at "127" which is below the normal of "144" minimums in my bloodwork), RESPIRATORY DISORDER (headaches and breathing issues as much with the 3rd dose, as with the first two at the first part of the year.) and HEADACHE (headaches and breathing issues as much with the 3rd dose, as with the first two at the first part of the year.). At the time of the report, PLATELET COUNT DECREASED (Platelets have been low since the First shot / Low Platelet Counts still at "127" which is below the normal of "144" minimums in my bloodwork) had not resolved and RESPIRATORY DISORDER (headaches and breathing issues as much with the 3rd dose, as with the first two at the first part of the year.) and HEADACHE (headaches and breathing issues as much with the 3rd dose, as with the first two at the first part of the year.) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Platelet count: 127 (Low) are still at "127"which is below the normal of "144" minimums.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       No concomitant medication was reported. The treatment information was unknown.  Patient Bloodwork and blood cultures have Been off from Normal ranges.  Company comment This case concerns a 65 year-old male patient with no reported medical history, who experienced the unexpected non-serious AESI of Platelet count decreased. The event occurred an unknown number of days after the first dose of mRNA-1273 vaccine. The lowest reported platelet count was 127 (units not specified). The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.   This case was linked to MOD-2021-296778, MOD-2021-368487 (Patient Link).Sender's Comments: This case concerns a 65 year-old male patient with no reported medical history, who experienced the unexpected non-serious AESI of Platelet count decreased. The event occurred an unknown number of days after the first dose of mRNA-1273 vaccine. The lowest reported platelet count was 127 (units not specified). The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.