passed away at home on 07Sep; may have suffered a GI bleed; got notable diarrhea on 02Sep & 03Sep; mildly dehydrated; She didn't want to eat and barely wanted to drink; stomach had become increasingly distended; stomach had become hard; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP).  A 94-year-old female patient (not pregnant) received pneumococcal 20-val conj vac (dipht crm197 protein) (PREVNAR 20), on 29Aug2023 at 10:30 as dose 1, single (Batch/Lot number: unknown) at the age of 94 years, in arm for immunisation. The patient's relevant medical history included: "osteoporosis" (unspecified if ongoing); "hypertension" (unspecified if ongoing); "known allergies penicillin" (unspecified if ongoing). The patient took concomitant medications. The following information was reported: DECREASED APPETITE (medically significant, life threatening) with onset 02Sep2023, outcome "unknown", described as "She didn't want to eat and barely wanted to drink"; DIARRHOEA (medically significant, life threatening) with onset 02Sep2023, outcome "unknown", described as "got notable diarrhea on 02Sep & 03Sep"; GASTROINTESTINAL HAEMORRHAGE (medically significant, life threatening) with onset 02Sep2023, outcome "unknown", described as "may have suffered a GI bleed"; DEHYDRATION (medically significant, life threatening) with onset 02Sep2023, outcome "unknown", described as "mildly dehydrated"; GASTRIC DISORDER (medically significant, life threatening) with onset 02Sep2023, outcome "unknown", described as "stomach had become hard"; GASTRIC DILATATION (medically significant, life threatening) with onset 02Sep2023, outcome "unknown", described as "stomach had become increasingly distended"; DEATH (death) with onset 07Sep2023, outcome "fatal", described as "passed away at home on 07Sep". She got the Prevnar 20 vaccine on Tues., 29Aug2023 and then got notable diarrhea on 02Sep2023 and 03Sep2023, which caused her to be at least mildly dehydrated, on 04Sep2023, (when she refused to go in ambulance to hospital, therefore legally they said they couldn't take her). She didn't want to eat and barely wanted to drink and passed away at home on 07Sep2023. Hospice had been called out to help, but she was barely signed up for 1.5 hours and they administered no medical care before she passed away. Her stomach had become increasingly distended and hard. The hospice nurse saw indications that she may have suffered a GI bleed. Ae resulted in [[Life threatening illness (immediate risk of death from the event), Patient died]. Therapeutic measures were not taken as a result of death. Therapeutic measures were taken as a result of gastrointestinal haemorrhage, diarrhoea, dehydration, decreased appetite, gastric dilatation, gastric disorder. AE treatment included Immodium for diarrhea (at least for first couple days). The patient date of death was 07Sep2023. The reported cause of death was unknown. For death cause, the reporter stated that they have a death certificate. No autopsy was performed. The information on the batch/lot number for pneumococcal 20-val conj vac (dipht crm197 protein), pneumococcal 20-val conj vac (dipht crm197 protein)  has been requested and will be submitted if and when received.; Reported Cause(s) of Death: passed away at home on 07Sep