pressure and pain upon swallowing; a slight periodic cough; pain upon inhalation; had missed work; arm pain; Lightheadedness; chest pain(chest was sensitive to the touch); Neck pain; breathing difficulty worsening/pain upon inhalation; having a hard time acclimating to the weather (he noticed slight difficulty with breathing)/difficulty breathing; This case was received via an unknown source (no reference has been entered for a health authority or license partner) on 29-Jun-2021 and was forwarded to Moderna on 29-Jun-2021.     This spontaneous case was reported by a consumer and describes the occurrence of SENSITIVITY TO WEATHER CHANGE (having a hard time acclimating to the weather (he noticed slight difficulty with breathing)/difficulty breathing), DYSPNOEA (breathing difficulty worsening/pain upon inhalation), DIZZINESS (lightheadedness), CHEST PAIN (chest pain(chest was sensitive to the touch)) and NECK PAIN (neck pain) in a 39-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 051C21A and 023C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 15-May-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form.  On 12-Jun-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form.   On 14-Jun-2021,  after starting mRNA-1273 (Moderna COVID-19 Vaccine), the patient experienced SENSITIVITY TO WEATHER CHANGE (having a hard time acclimating to the weather (he noticed slight difficulty with breathing)/difficulty breathing).   On 20-Jun-2021, the patient experienced DYSPNOEA (breathing difficulty worsening/pain upon inhalation).   On 24-Jun-2021, the patient experienced DIZZINESS (lightheadedness), CHEST PAIN (chest pain(chest was sensitive to the touch)), NECK PAIN (neck pain), PLEURISY (pain upon inhalation), IMPAIRED WORK ABILITY (had missed work) and MYALGIA (arm pain).   On 27-Jun-2021, the patient experienced COUGH (a slight periodic cough).   On 29-Jun-2021, the patient experienced ODYNOPHAGIA (pressure and pain upon swallowing). The patient was treated with IBUPROFEN at a dose of 1 dosage form.   On 26-Jun-2021, IMPAIRED WORK ABILITY (had missed work) had resolved.   At the time of the report, SENSITIVITY TO WEATHER CHANGE (having a hard time acclimating to the weather (he noticed slight difficulty with breathing)/difficulty breathing), DYSPNOEA (breathing difficulty worsening/pain upon inhalation), DIZZINESS (lightheadedness), CHEST PAIN (chest pain(chest was sensitive to the touch)), NECK PAIN (neck pain), COUGH (a slight periodic cough), ODYNOPHAGIA (pressure and pain upon swallowing), PLEURISY (pain upon inhalation) and MYALGIA (arm pain) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Chest X-ray: normal (normal) chest was sensitive to the touch. On an unknown date, Electrocardiogram: normal (normal) normal. On an unknown date, Full blood count: normal (normal) normal. On an unknown date, SARS-CoV-2 test: negative (Negative) negative.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   No concomitant medication details were reported. Action taken with mRNA-1273 in response to the events was not applicable. He has been going for another chest x-ay and to schedule an echocardiogram. Physician prescribed an inflammatory which he had not picked up yet.