COULD NOT SPEAK A FULL SENTENCE; VERY PAINFUL INFLAMMATION OF CHEST, INFLAMED CHEST WALLS; CRAZY RIDICULOUS VAGINAL BLEEDING; ANEMIC; ALMOST DIED; FAINTING AFTER BLOODWORK; CRYING FOR NO REASON; DOING REGULAR THINGS AT A SLOWER PACE; SLOWLY DYING; This spontaneous report received from a patient concerned a 47 year old, female. The patient's height, and weight were not reported. No past medical history or concurrent conditions were reported. The patient received covid-19 vaccine ad26.cov2.s (suspension for injection, route of admin not reported, batch number: 1805018, and expiry: UNKNOWN) dose was not reported, 1 total administered on 21-MAR-2021 for prophylactic vaccination. Concomitant medications included iron for anemia.  On 21-MAR-2021, shortly after vaccination patient became very tired and felt like getting sick and felt like as it was the expected. Patient stayed on couch next day. On 23-MAR-2021, bleeding was started which was not normal bleeding. Patient knew that she had to see hematologist as oxygenated blood was leaving her body. Patient experienced very heavy vaginal bleeding. Patient called gynecologist and was advised to go to emergency room, if patient bleed more than a pad an hour. Patient went to doctor shortly because patient felt this was not normal and something else was going on. When doctor took patient's blood, she fainted. Patient was healthy before shot and never had this before. Patient had intravenous (IV) so that patient could drive home. Patient was doing regular things at slower pace. Some weird things happened at 17.00 daily, patient cried for no reason. Blood test was received with something low. Patient went to the emergency room where they gave her blood, which patient never needed before in her life. Patient needed 2 units of bloods. Patient was slowing dying but did not know it. Patient was now anemic and needed 4 iron infusions and maybe needed 5th also. Patient had been told to follow-up in august. Patient was not sure that her body was making her own blood again. Patient felt almost died. Patient could not speak a full sentence even after the emergency room visit. Patient was still bleeding. Patient also experienced inflammation in chest which was very painful. Patient started birth control on 14-MAY-2021 and 15-MAY-2021 and stayed on until 24-MAY-2021. Patient started bleeding again on 25-MAY-2021 which continued till 29-MAY-2021. Patient had a lot of shortness of breath and thought may be a blood clot but on 20-MAY-2021, X-ray showed no clots. Cardiologist said this was most likely from the COVID Shot and likely inflammation. Patient chest was still painful to touch and it was better than before. Patient was on iron pills but stopped after the 3rd infusion of iron and patient's anemia levels was improved. On 23-MAR-2021. Laboratory data included: Blood test (NR: not provided) showed low hematocrit and hemoglobin. Laboratory data (dates unspecified) included: Gynecological examination (NR: not provided) fine, and Physical examination (NR: not provided) fine. The action taken with covid-19 vaccine ad26.cov2.s was not applicable. The patient recovered from crazy ridiculous vaginal bleeding on 29-MAY-2021, fainting after bloodwork on 09-APR-2021, and crying for no reason on 13-JUN-2021, was recovering from anemic, and could not speak a full sentence, had not recovered from very painful inflammation of chest, inflamed chest walls, and the outcome of almost died, slowly dying and doing regular things at a slower pace was not reported. This report was serious (Hospitalization Caused / Prolonged, and Other Medically Important Condition).; Sender's Comments: V0: 20210651060- JANSSEN COVID-19 VACCINE Ad26.COV2.S Fainting, Almost died, Vaginal bleeding, Anemia, Could not speak, Chest wall pain. This event(s) is considered unassessable. The event(s) has a compatible/suggestive temporal relationship, is unlabeled, and has unknown scientific plausibility. There is no information on any other factors potentially associated with the event(s).