lost weight; tested Covid-19 Positive; Left arm sore; Sleepy; This is a spontaneous report from a contactable consumer or other non-HCP. A 53-years-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Lot Number: ER8732; Expiration Date: 31Jul2021), intramuscular, administered in Arm Left on 02Apr2021 01:00 as single dose for covid-19 immunization. The patient medical history and concomitant medications were not reported. On 02Apr2021 the patient experienced sleepy, headache. On 02Apr2021 15:00 the patient experienced left arm sore. On 02Apr2021 20:00 the patient experienced nauseous, achy, chills, fever. On 03Apr2021 the patient experienced fever started at 100 degrees. the highest fever was 101.8 and one time it went to 102 and never peaked at 102 again. On 03Apr2021 18:00 the patient experienced vomiting. On an unspecified date the patient experienced lost taste, smell, lost weight, tired. Upon follow-up received on 21Apr2021 the patient experienced tested covid-19 positive on 05Apr2021. She had the first dose on 02Apr2021, and tested positive for Coronavirus on Monday, 05Apr2021.  She can't go for second dose until it has been 90 days. She is completely better and her taste, smell and all of that is back.  She also received the antibody treatment infusion the following Tuesday. She stated she is a little chunky. She lost weight after getting the COVID, so that was a plus. She did not eat for about a week. She also experienced Arm pain, sleepiness, headache and fever. The fever kept increasing. Fever started at 100 degrees. The highest fever was 101.8 and one time it went to 102 and never peaked at 102 again. That was early in the morning hours 02:00 on 03Apr2021. She also had chills, and they did not stop until she got antibody infusion treatment and was in the hospital for that. It was outpatient.  She does not have the name, dose, lot or expiration. She went to the hospital on Tuesday, 06Apr2021, around 2:30, and got one whole IV bag of Saline like water. They wait about an hour and they give you the other bag all through IV of that medicine. The monoclonal antibody is what she had. Wednesday, 07Apr2021 is the last day she had fever or chills.  She was tired.  She lost taste, smell and just started getting it back this week. When Saturday came, the fever was all day long. It was 100 to 101.  Saturday night is when she started to throw up.   The patient underwent lab tests and procedures which included covid-19: positive on 05Apr2021, pyrexia: high on 03Apr2021 The highest fever was 101.8 and one time it went to 102 and never peaked at 102 again. That was early in the morning hours 02:00 on 03 Apr 2021. Therapeutic measures were taken as a result of tested covid-19 positive, left arm sore, sleepy, fever started at 100 degrees. The highest fever was 101.8 and one time it went to 102 and never peaked at 102 again, nauseous, achy, vomiting, chills, lost taste, smell, lost weight, tired, fever. The outcome of event left arm sore,tested covid-19 positive was recovered. The outcome of event sleepy,fever started at 100 degrees. the highest fever was 101.8 and one time it went to 102 and never peaked at 102 again, nauseous, achy, vomiting, chills, fever was recovering. The outcome of event headache, lost taste, smell,lost weight, tired, was unknown.  Follow-up (21Apr2021): New Information received from the contactable consumer includes updated events and dates, of lab data and questions regarding events.  No follow-up attempts are needed; information about lot/batch number cannot be obtained.