sick; chills; bad body ache; no appetite; weakness; lost a few pounds; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is patient's daughter.  A 69 year-old female patient received bnt162b2 (BNT162B2), administered in arm right, administration date 19Mar2021 12:00 (Batch/Lot number: unknown) at the age of 69 years as dose 1, single for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported.  The following information was reported: ILLNESS (non-serious) with onset 20Mar2021 15:00, outcome "not recovered", described as "sick"; CHILLS (non-serious) with onset 20Mar2021 15:00, outcome "not recovered", described as "chills"; PAIN (non-serious) with onset 20Mar2021 15:00, outcome "not recovered", described as "bad body ache"; DECREASED APPETITE (non-serious) with onset 20Mar2021 15:00, outcome "not recovered", described as "no appetite"; ASTHENIA (non-serious) with onset 20Mar2021 15:00, outcome "not recovered", described as "weakness"; WEIGHT DECREASED (non-serious) with onset Mar2021, outcome "unknown", described as "lost a few pounds". The events "sick", "chills", "bad body ache", "no appetite", "weakness" and "lost a few pounds" were evaluated at the physician office visit. Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of chills, pain.  Additional information: No family medical history relevant to AE(s). No additional vaccines administered on same date of the Pfizer suspect. No prior vaccinations (within 4 weeks). No AE(s) following prior vaccinations. Caller is calling for her mother (Withheld) who has received the first shot of the Pfizer COVID-19 vaccine on Friday (19Mar2021). Her mother started to become sick on Saturday (20Mar2021) and she has been sick ever since. She has developed chills, bad body ache, no appetite, weakness. Today, she is feeling better. She hasn't experienced chills or body aches yet. Caller mentioned that every 3PM, her mother becomes weak again. She stated that events were going on six days. Reporter stated that most people get symptoms for a few days but her mom was still have symptoms so she queried is that normal. Reporter stated that they called the doctor and he said that there is nothing that they can do. Caller is concerned since it is already Day 6 and her mother is still sick from the vaccine. Her mother's HCP has said that her mother should rest and drink lots of water. Caller wanted to know if it is a normal reaction to the vaccine. They were told that if her mother's symptoms still occur for more than 7 days, she should not get the second dose of the vaccine. She wanted to know if that is true. It was reported that she has probably lost a few pounds since she has been sick and hasn't had an appetite. Reporter stated that all the symptoms were ongoing and the patient has felt same except today so far she was feeling a little bit better with the chills and body aches but it usually comes back by three in the afternoon all over again. Treatment included taking Ibuprofen. Event does not result in emergency Room. Events resulted in physician office  patient went to the doctor 2 days later.   No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.