The patient received the Pfizer COVID Vaccine for the first 3 doses and then received Moderna for second booster; The patient received the Pfizer COVID Vaccine for the first 3 doses and then received Moderna for second booster; Patient stated that with the current COVID, she was double boosted; This spontaneous case was reported by a patient and describes the occurrence of COVID-19 IMMUNISATION (The patient received the Pfizer COVID Vaccine for the first 3 doses and then received Moderna for second booster), INTERCHANGE OF VACCINE PRODUCTS (The patient received the Pfizer COVID Vaccine for the first 3 doses and then received Moderna for second booster) and EXTRA DOSE ADMINISTERED (Patient stated that with the current COVID, she was double boosted) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 prophylaxis.     The patient's past medical history included Upset stomach, Loose stools, Hypotension, Queasy, Fever and COVID-19 (had monoclonal antibody when had COVID the first time). Previously administered products included for Drug use for unknown indication: Paxlovid (supposed to take 3 pills but told only to take 2); for Product used for unknown indication: Pfizer (Third dose), Pfizer (Second dose) and Pfizer (First dose). Past adverse reactions to the above products included No adverse event with Paxlovid, Pfizer, Pfizer and Pfizer. Concurrent medical conditions included Autoimmune disorder (did IVIG for autoimmune disease and not had it for a year since became hypotensive).    On an unknown date, the patient received fifth dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced COVID-19 IMMUNISATION (The patient received the Pfizer COVID Vaccine for the first 3 doses and then received Moderna for second booster), INTERCHANGE OF VACCINE PRODUCTS (The patient received the Pfizer COVID Vaccine for the first 3 doses and then received Moderna for second booster) and EXTRA DOSE ADMINISTERED (Patient stated that with the current COVID, she was double boosted). At the time of the report, COVID-19 IMMUNISATION (The patient received the Pfizer COVID Vaccine for the first 3 doses and then received Moderna for second booster), INTERCHANGE OF VACCINE PRODUCTS (The patient received the Pfizer COVID Vaccine for the first 3 doses and then received Moderna for second booster) and EXTRA DOSE ADMINISTERED (Patient stated that with the current COVID, she was double boosted) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Blood test: Had regular blood. On an unknown date, Renal function test: normal kidney functions.         It was reported that the patient wanted to know if it was normal to get upset stomach or loose stools. The patient went to an emergency place where the patient was prescribed with Paxlovid. Patient had went to an emergency place where she was prescribed with PAXLOVID. Patient stated that she had done IVIG for her autoimmune disease but she not had it for a year since she became hypotensive.The patient never had kidney damage. The patient stated had nausea and felt queasy like when have a fever. The patient was not sure whether the symptoms were caused by Paxlovid or by COVID. The patient mentioned that had an upset stomach when had COVID before.  No concomitant medications were reported. No treatment medications were specified.