sore; tired; chills; she did not feel well; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A female patient received bnt162b2 (COMIRNATY) (Batch/Lot number: unknown) as dose 2, single for covid-19 immunisation. Relevant medical history included: "Sjogren's disease" (unspecified if ongoing). The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose: 1), for COVID-19 immunization. The following information was reported: PAIN (non-serious), outcome "unknown", described as "sore"; FATIGUE (non-serious), outcome "unknown", described as "tired"; CHILLS (non-serious), outcome "unknown", described as "chills"; MALAISE (non-serious), outcome "unknown", described as "she did not feel well".  Additional information: Patient would like to know when people report side effects, was there a relationship with efficacy and getting the vaccine. Caller would like to know if someone does not have side effects, does that mean the vaccine wasn't working. Caller would also like to know if it is a live virus in the vaccine. Agent states caller reported some side effects of being sore, tired and had chills after receiving the second vaccine. Agent states caller also stated that her daughter got the Moderna vaccine and got Covid after two shots but declined having completed any report regarding this. According to the caller, she has had the Pfizer vaccine and she knows people who have gotten the Moderna who are healthy and do not have a low immune system but have gotten really sick. Caller states she is scheduled to get a booster shot today and is nervous about heading to (Privacy). Caller states she was supposed to get it last week and she did not feel well, so she waited a week and she is feeling much better. Caller states she has not gotten Covid yet. Caller specified that she would like to know if people are getting sick from the shot because they have a better immune system compared to someone with a low immune system? Caller would like to know why someone who does not have a low immune system, will have a high effect to the booster and they are healthier? Caller states she would just like to have this question answered. Caller would like to know where she can find the real N95 masks that are stamped with the date and have a code on them? Caller states she bought some, and according to the CDC she got some counterfeits and she rather find a medical supply place. Caller states her daughter had the Moderna Covid vaccine, and then had the booster, and had some side effects. Caller asks does that mean her daughter's immune system is functioning well. Caller states she is very confused about people who are immunocompromised or have strong immune systems. Caller asks, how does a person know they are immunocompromised. Caller states that she has Sjogren's disease. Caller states that after her second Pfizer Covid vaccine, she was sore, tired and had chills. Caller states her daughter was achy, had a headache and felt bad after her booster. Caller states her daughter was told that the booster was working. Caller was looking at the Pfizer vaccine list and asks, is it a live virus. Caller states she spoke with two doctors who told her not to get the booster. Caller states that she plans to get the booster because she is traveling to (city name) soon. Caller states that her daughter had the Moderna Covid vaccine, and her daughter got the Delta variant. Caller states that the entire facility at her part time job was positive for Covid and they were all vaccinated. Caller does not provide specifics or identifiers. Caller states her daughter said that if she did not have the vaccine, she would have been much sicker.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.