Chills; Slight pains in the chest; Didn't cough up phlegm anymore; This is a spontaneous report from a contactable consumer or other non hcp (patient herself).A 52-years-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Batch/Lot Number: EW0169, Expire Date: unknown) via an unspecified route of administration in left upper arm on 14May2021 (at the age of 52 years-old) as dose 2, 0.3mL single for COVID-19 immunization (reported as because she has COPD and didn't want to get sick) Patient medical history included ongoing COPD (chronic obstructive pulmonary disease) diagnosed in 2020, maybe June 2020, ongoing high blood pressure (hypertension) had it for years maybe 5 or 6 years, physical problems (malaise), but nothing with breathing. The concomitant medications reported as none. Historical vaccine includes BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Batch/Lot Number: EW0151, Expiry Date: Unknown) via an unspecified route of administration in left upper arm on 02Apr2021 at 09:30 in the morning as dose 1, 0.3mL single for COVID-19 immunization and experienced didn't cough up phlegm anymore, It was just the next couple of days of getting the first vaccine. That has continued. She has not coughed up phlegm since then and Slight pains in the chest, but it was come and go. Vaccine was not administered at military facility. Additional vaccines administered on same date of the pfizer suspect was reported as none. Prior Vaccinations (within 4 weeks) If applicable, list any other vaccinations within four weeks prior to the first administration date of the suspect vaccine was not provided. The adverse events following prior vaccinations was none. No family medical history relevant to adverse events. The patient experienced chills, slight pains in the chest (Pain is not like pain, but is a nagging), didn't cough up phlegm anymore on May2021. COVID19 shot first dose was given on 02Apr2021 and second dose given on 14May2021. Reporter states she was late to get second dose. Before she took the shot, she had phlegm that she coughed up in the morning. When she took the first shot, she didn't cough up phlegm anymore and same with second. She had not been coughing up phlegm since. She is wondering if she should be concerned. Maybe the fluid is not leaving the lungs and is still in there. Her primary care doctor is at Health Center, she doesn't have a specific doctor it is just a clinic. The slight pains in the chest after second shot, it is constant now. The pain is in the left side. The time of onset of events was not provided. The events were not resulted in any emergency room visit and physician office visit. The patient underwent lab tests and procedures after the first dose which included blood test (Blood work): normal on an unspecified date maybe less than a month ago in 2021. They said everything was alright. She hadn't had a chest x-ray since having the vaccine.The clinical outcome of events chills was unknown while that of slight pains in the chest, didn't cough up phlegm anymore was not recovered.   Information on Lot/Batch number was available. Additional information has been requested.   No follow-up attempts are completed. No further information is expected.