LIGHT HEADEDNESS / DIZZINESS; SHAKY HANDS; BLURRY VISION; PAIN; PAIN IN BACK; PAIN IN NECK; STIFF NECK, BACK, UPPER ARM AND SHOULDER COLLARBONE; MUSCLE WEAKNESS IN LEGS, COLLARBONE, BACK, SHOULDER, NECK AREAS AND ALL OVER THE BODY; SENSATION OF PAIN IN LOWER LEGS IN CALVES; PAIN IN SHOULDER COLLAR BONE AREA; SEVERE HEADACHE FELT LIKE EFFECTS SIMILAR TO AFTER A NIGHT OF HEAVY DRINKING/POUNDING BAD HEADACHE LIKE A MIGRAINE; SEVERE MUSCLE PAINS IN NECK, BACK, COLLARBONE AREA/SORE MUSCLES; SEVERE NAUSEA/WAVES OF NAUSEA; LOW ENERGY LEVELS; FATIGUES LOT EASIER AND QUICKER THAN BEFORE/MINOR EXERTION WEARS HIM OUT; FEVER; TINGLING IN EXTREMITIES; This spontaneous report received from a patient concerned a 35 year old male. The patient's height, and weight were not reported. The patient's pre-existing medical conditions included: The patient had no known allergies. The patient had no major medical issues. The patient was young and pretty healthy. The patient is a delivery person on his feet all day along. The patient received covid-19 vaccine ad26.cov2.s (suspension for injection, route of admin not reported, batch number: 207A21A expiry: UNKNOWN) dose was not reported, administered on 27-AUG-2021 for prophylactic vaccination. Non-company suspect vaccine included: influenza vaccine (injection, route of admin, and batch number were not reported) dose was not reported, administered on 27-AUG-2021 for prophylactic vaccination. Age at time of vaccination 35 years old. No concomitant medications were reported. On 28-AUG-2021, the patient experienced light headedness / dizziness. On 28-AUG-2021, the patient experienced shaky hands. On 28-AUG-2021, the patient experienced blurry vision. On 28-AUG-2021, the patient experienced pain. On 28-AUG-2021, the patient experienced pain in back. On 28-AUG-2021, the patient experienced pain in neck. On 28-AUG-2021, the patient experienced stiff neck, back, upper arm and shoulder collarbone. On 28-AUG-2021, the patient experienced muscle weakness in legs, collarbone, back, shoulder, neck areas and all over the body. On 28-AUG-2021, the patient experienced sensation of pain in lower legs in calves. On 28-AUG-2021, the patient experienced pain in shoulder collar bone area. On 28-AUG-2021, the patient experienced severe headache felt like effects similar to after a night of heavy drinking/pounding bad headache like a migraine. On 28-AUG-2021, the patient experienced severe muscle pains in neck, back, collarbone area/sore muscles. On 28-AUG-2021, the patient experienced severe nausea/waves of nausea. On 28-AUG-2021, the patient experienced low energy levels. On 28-AUG-2021, the patient experienced fatigues lot easier and quicker than before/minor exertion wears him out. On 28-AUG-2021, the patient experienced fever. On 28-AUG-2021, the patient experienced tingling in extremities. Laboratory data (dates unspecified) included: COVID-19 antigen test Negative, and COVID-19 virus test Negative. The action taken with covid-19 vaccine ad26.cov2.s was not applicable. The patient recovered from shaky hands on 28-FEB-2022, blurry vision on 31-OCT-2021, and fever on 30-SEP-2021, was recovering from severe headache felt like effects similar to after a night of heavy drinking/pounding bad headache like a migraine, severe muscle pains in neck, back, collarbone area/sore muscles, severe nausea/waves of nausea, light headedness / dizziness, muscle weakness in legs, collarbone, back, shoulder, neck areas and all over the body, low energy levels, fatigues lot easier and quicker than before/minor exertion wears him out, sensation of pain in lower legs in calves, tingling in extremities, pain in back, pain in shoulder collar bone area, and pain in neck, and the outcome of pain and stiff neck, back, upper arm and shoulder collarbone was not reported. This report was non-serious.