vaccine hurt pretty bad as got it/arm is really sore, all at the injection site/starting to spread and it was very painful; it was red, it is all at the injection site/ redness has started to spread; This is a spontaneous report received from a Consumer or other non HCP. A 24-year-old female patient (pregnant) received rsv vaccine prot.subunit pref 2v (ABRYSVO), on 02Jan2025 as dose 1, single (Lot number: 5469) at the age of 24 years, in arm for maternal immunisation. The patient was 34 weeks pregnant at the time of exposure to rsv vaccine prot.subunit pref 2v. The patient was 34 weeks pregnant at the event onset. The patient’s relevant medical history and concomitant medications were not reported. The following information was reported: VACCINATION SITE PAIN (non-serious) with onset 02Jan2025, outcome “not recovered”, described as “vaccine hurt pretty bad as got it/arm is really sore, all at the injection site/starting to spread and it was very painful”; VACCINATION SITE ERYTHEMA (non-serious) with onset Jan2025, outcome “not recovered”, described as “it was red, it is all at the injection site/ redness has started to spread”. The events “vaccine hurt pretty bad as got it/arm is really sore, all at the injection site/starting to spread and it was very painful” and “it was red, it is all at the injection site/ redness has started to spread” required emergency room visit. It was unknown if therapeutic measures were taken as a result of vaccination site pain, vaccination site erythema. Causality for “vaccine hurt pretty bad as got it/arm is really sore, all at the injection site/starting to spread and it was very painful” and “it was red, it is all at the injection site/ redness has started to spread” was determined associated to device constituent of rsv vaccine prot.subunit pref 2v (malfunction). Clinical course: office manager called to reported: they gave the patient Abrysvo for maternal and the vaccine hurt pretty bad as she got it, but Sunday she called the doctor’s office to report and she has pictures of everything. Arm was really sore, and it was red, it was all at the injection site but it was red and it got worse over the days. So, she ended up going to the ER, because of the soreness and the redness. She said it looked like, she was the patient told her own, told her off the doctor, on Sunday. It was a patient, a pregnant patient came in on 02Jan2025. A 24-year-old female, on 02Jan2025 to get, she was 34 weeks pregnant, she got a gestational age. She got a Abrysvo vaccine and then she said that it got her really bad when she got the vaccine, at the time but later on, a couple of days later she called the office on Sunday and left them a message saying that she was in pain, that she went to the ER because of soreness and the redness has started to spread, from just being at the injection site and it was just starting to spread and it was very painful. The event stared within a next couple of days. Patient went to the emergency room and did not know what they gave her.