IT SOUNDED LIKE HAD THE CROUP/COUGH/TERRIBLE TIME BREATHING/ VERY SHORT OF BREATH/ FEELING OF BEING SHORT OF BREATH/ COULD HARDLY CATCH MY BREATH WHILE COUGH/BREATHING PROBLEMS/EXACERBATED BREATHING PROBLEMS/COUGHING UP WHITE PHLEGM; COUGHED UP BLOOD EVERY TIME THAT COUGHED; FLU LIKE SYMPTOMS; COLD LIKE SYMPTOMS; TIGHTNESS IN CHEST; PAIN IN SHOULDER AND DOWN TO THUMB AND FINGER NEXT TO IT; TINY BRUISE SPOTS ON ARMS; WHEEZING/TERRIBLE SOUNDS ON MY CHEST; DISCOMFORT; DISTRESS; NOT ABLE TO DO ANYTHING AT HOME/NO LONGER DO WHAT WAS ABLE TO DO BEFORE/DRASTICALLY IMPACTED MY LIFE; TERRIBLE PAIN IN RIBS FROM COUGHING SO HARD AND SO MUCH; TERRIBLE PAIN IN BACK FROM COUGHING SO HARD AND SO MUCH; TERRIBLE PAIN IN FROM COUGHING SO HARD AND SO MUCH; DIFFICULTY USING ARM; ARM WAS SORE FOR A MONTH AFTER HAVING THE SHOT; PAIN AT INJECTION SITE; This spontaneous report received from a patient concerned a patient of unspecified age, sex, race and ethnicity. The patient's height, and weight were not reported.  The patient's concurrent conditions included asthma, emphysema, COPD (Chronic obstructive pulmonary disease), history of cardiac problems, and history of breathing problems.  The patient was previously treated with omalizumab for asthma every two weeks for the past 16 years and had to be delayed for 10/14 days in order to get vaccine. The patient received Covid-19 vaccine ad26.cov2.s (suspension for injection, route of admin not reported, batch number: UNKNOWN) dose was not reported, administered on 26-APR-2021 for prophylactic vaccination. The batch number was not reported and has been requested. No concomitant medications were reported.  On an unspecified date (after receiving Covid vaccine), the patient developed flu and cold like symptoms that did not go away. On an unknown date the patient had terrible time breathing, had wheezing, terrible sounds on chest and for days was not able to do anything at home and very seldom was able to go out, even to shop and for a week and a half coughed up blood every time that coughed. The patient had terrible pain in ribs, back and stomach from coughing so hard and so much. At times it sounded like had the croup and could hardly catch my breath while coughing. The patient had very short of breath and using nebulizer 4 times a day and using inhaler very often. When the patient wanted to do something outside get so short of breath and had to use inhaler to get back into the house. The patient always had the feeling of being short of breath and tightness in chest. On an unknown date the patient coughing up white phlegm. On an unknown date the patients arm was sore for a month after administration of vaccine and had difficulty in using arm because of the pain from the shot area into shoulder and down to thumb and finger next to it. On an unknown date the patient developed tiny bruise spots on arms and drastically impacted life and no longer do what was able to do before. The breathing problem still causing the patient discomfort and distress. The patient had history of breathing problem that is exacerbated. Laboratory data (dates unspecified) included: X-ray (NR: not provided) Results unknown The action taken with covid-19 vaccine ad26.cov2.s was not applicable. The patient had not recovered from flu like symptoms, and cold like symptoms, and the outcome of terrible time breathing/ very short of breath/ feeling of being short of breath/ could hardly catch my breath while cough/breathing problems/exacerbated breathing problems, wheezing/terrible sounds on my chest, not able to do anything at home/no longer do what was able to do before/drastically impacted my life, coughed up blood every time that coughed, coughing up white phlegm, arm was sore for a month after having the shot, pain at injection site, pain in shoulder and down to thumb and finger next to it, tiny bruise spots on arms, tightness in chest, cough, it sounded like had the croup, discomfort, distress, terrible pain in ribs from coughing so hard and so much, terrible pain in back from coughing so hard and so much, terrible pain in from coughing so hard and so much and difficulty using arm was not reported. This report was serious (Other Medically Important Condition).; Sender's Comments: V0:20210614279-covid-19 vaccine ad26.cov2.s-It sounded like had the croup.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).