PASSED OUT; WORDS CONFUSED/CANNOT FORM WORDS; MEMORY SLOW; PAIN BEHIND LEG; FELT WEAK; CHEST PAIN; SHORTNESS OF BREATH; CONFUSION; CONSTIPATION; FEELS LIKE HALF BODY IS PARALYZED; MIDDLE OF  BACK ON THE LEFT SIDE LIKE STABBING PAIN; DOUBLE VISION; SWELLING FACE; NUMBNESS ON CHEST/ MIDDLE OF HER BACK ON LEFT SIDE/ LEG; TINGLING IN CHEST AND MIDDLE OF HER BACK ON LEFT SIDE/WHOLE BODY; BELLS PALSY; FEVER/TEMPERATURE 104 F; This spontaneous report received from a patient concerned a 50year old female of unspecified race. 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: 1822809, and expiry: 07-MAR-2022) dose was not reported, 1 total administered to right arm on 30-SEP-2021 for prophylactic vaccination. No concomitant medications were reported. On 30-SEP-2021, after 25 minutes of receiving vaccine, the patient experienced fever/temperature 104F. The patient returned to work the same day. On an unspecified date, the patient experienced left side chest pain, shortness breath, numb/tingling in the chest and middle of her back on the left side like a stabbing pain. The patient legs are numb, face was numb, feels like half body was paralyzed. The patient felt pain behind her leg and patient felt weak as well. The patient words are confused/Cannot form words and memory slow, Double vision, Swelling of face, Constipation, Tingling in chest and middle of her back on left side/whole body. The patient visited emergency on 13-OCT-2021. The patient was kept two hours at Hospital, then patient left the hospital as patient was put outside in the cold, patient waited 2 hours outside. The patient went home and then that same night was admitted to another hospital. After examining the HCP (health care professional) informed he did not have an explanation for her symptoms. On Saturday patient went back to work and patient passed out, the tingling spread to her whole body. patient went to an urgent care. The HCP (health care professional) diagnosed her with Bell's Palsy. And patient symptoms are now getting worse. The Patient was researching on her own and thinks patient may have Guillian Barre Syndrome. Treatment medications (dates unspecified) included: prednisone 20 mg 3 times a day for 5 days. The action taken with covid-19 vaccine ad26.cov2.s was not applicable. The patient was recovering from fever/temperature 104 f, and had not recovered from chest pain, shortness of breath, numbness on chest/ middle of her back on left side/ leg, confusion, constipation, felt weak, bells palsy, pain behind leg, memory slow, feels like half body is paralyzed, tingling in chest and middle of her back on left side/whole body, middle of back on the left side like stabbing pain, double vision, swelling face, words confused/cannot form words, and passed out. This report was serious (Hospitalization Caused / Prolonged, and Other Medically Important Condition).; Sender's Comments: V0: 20211038425- Covid-19 vaccine ad26.cov2.s-Bell's palsy, passed out, words confused/cannot form words, memory slow. These events are considered unassessable. The events have a compatible/suggestive temporal relationship, are unlabeled, and have unknown scientific plausibility. There is no information on any other factors potentially associated with the event.  20211038425- Covid-19 vaccine ad26.cov2.s-pain behind leg and felt weak. These events are labeled and are therefore considered potentially related.