COVID-19 infection; Revaccination with different COVID-19 vaccine; Interchange of vaccine products; This spontaneous case was reported by a patient and describes the occurrence of COVID-19 (COVID-19 infection), COVID-19 IMMUNISATION (Revaccination with different COVID-19 vaccine) and INTERCHANGE OF VACCINE PRODUCTS (Interchange of vaccine products) in a  patient of an unknown age and gender who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 prophylaxis.     Previously administered products included for Drug use for unknown indication: JANSSEN COVID-19 VACCINE in 2021. Past adverse reactions to the above products included No adverse event with JANSSEN COVID-19 VACCINE.    In 2021, the patient received dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. In 2021, the patient experienced COVID-19 IMMUNISATION (Revaccination with different COVID-19 vaccine) and INTERCHANGE OF VACCINE PRODUCTS (Interchange of vaccine products). In June 2021, the patient experienced COVID-19 (COVID-19 infection). At the time of the report, COVID-19 (COVID-19 infection), COVID-19 IMMUNISATION (Revaccination with different COVID-19 vaccine) and INTERCHANGE OF VACCINE PRODUCTS (Interchange of vaccine products) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       No concomitant medications were reported. The COVID-19 symptoms which patient suffered was scratchy throat, joint pain, slight nasal congestion head colds were worse then this) loss of taste and smell. Patient reported that they had the mildest symptoms. No treatment medications were reported.  Company comment: This spontaneous case concerns a patient of unknown age and gender, with no reported medical history, who experienced the unexpected non serious AESI of COVID-19, unknown days after receiving a dose with mRNA-1273 vaccine in the COVID-19 vaccination series. The patient had also received a dose with JANSSEN COVID-19 VACCINE on an unknown date. Thus, an interchange of vaccine products and COVID-19 immunisation (Revaccination with different COVID-19 vaccine) were also noted in the case. The patient had scratchy throat, joint pain, slight nasal congestion, loss of taste and smell. The patient reported it as COVID 19. No further information on risk factors, detailed clinical course, management of the event and outcome was available in the report. The benefit-risk relationship of mRNA-1273 is not affected by this report.   This case was linked to US-MODERNATX, INC.-MOD-2022-627752 (Linked Report).; Sender's Comments: This spontaneous case concerns a patient of unknown age and gender, with no reported medical history, who experienced the unexpected non serious AESI of COVID-19, unknown days after receiving a dose with mRNA-1273 vaccine in the COVID-19 vaccination series. The patient had also received a dose with JANSSEN COVID-19 VACCINE on an unknown date. Thus, an interchange of vaccine products and COVID-19 immunisation (Revaccination with different COVID-19 vaccine) were also noted in the case. The patient had scratchy throat, joint pain, slight nasal congestion, loss of taste and smell. The patient reported it as COVID 19. No further information on risk factors, detailed clinical course, management of the event and outcome was available in the report. The benefit-risk relationship of mRNA-1273 is not affected by this report. US-MODERNATX, INC.-MOD-2022-627752:Reporter case