injection site was about 1.5 degrees warmer than the rest of her body. / temperature difference is now .7 degrees; Swelling red spot in arm and swelling lymph node; Swelling red spot in arm and swelling lymph node / swelling of lymph nodes just below the front left shoulder blade / Both sites had accompanying pain.; Both sites had accompanying pain./Injection site redness & pain; Swelling red spot in arm and swelling lymph node; This spontaneous case was reported by a consumer and describes the occurrence of VACCINATION SITE SWELLING (Swelling red spot in arm and swelling lymph node), VACCINATION SITE WARMTH (injection site was about 1.5 degrees warmer than the rest of her body. / temperature difference is now .7 degrees), INJECTION SITE ERYTHEMA (Swelling red spot in arm and swelling lymph node), LYMPHADENOPATHY (Swelling red spot in arm and swelling lymph node / swelling of lymph nodes just below the front left shoulder blade / Both sites had accompanying pain.) and VACCINATION SITE PAIN (Both sites had accompanying pain./Injection site redness & pain) in a 40-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 002F21A) for COVID-19 vaccination.     Concomitant products included DESOGESTREL, ETHINYLESTRADIOL (DESOGESTREL & ETHINYL ESTRADIOL) from 31-Jul-2021 to an unknown date for Birth control, COLECALCIFEROL (D3) from 01-Jan-2020 to an unknown date for General symptom NOS, VALACYCLOVIR [VALACICLOVIR] from 08-Jun-2021 to an unknown date for Human papilloma virus immunization, LEVOTHYROXINE from 10-Jun-2021 to an unknown date for Thyroid disorder.    On 11-Aug-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 11-Aug-2021, the patient experienced VACCINATION SITE SWELLING (Swelling red spot in arm and swelling lymph node), INJECTION SITE ERYTHEMA (Swelling red spot in arm and swelling lymph node), LYMPHADENOPATHY (Swelling red spot in arm and swelling lymph node / swelling of lymph nodes just below the front left shoulder blade / Both sites had accompanying pain.) and VACCINATION SITE PAIN (Both sites had accompanying pain./Injection site redness & pain). On an unknown date, the patient experienced VACCINATION SITE WARMTH (injection site was about 1.5 degrees warmer than the rest of her body. / temperature difference is now .7 degrees). On 23-Aug-2021, VACCINATION SITE SWELLING (Swelling red spot in arm and swelling lymph node), INJECTION SITE ERYTHEMA (Swelling red spot in arm and swelling lymph node) and LYMPHADENOPATHY (Swelling red spot in arm and swelling lymph node / swelling of lymph nodes just below the front left shoulder blade / Both sites had accompanying pain.) had resolved. At the time of the report, VACCINATION SITE WARMTH (injection site was about 1.5 degrees warmer than the rest of her body. / temperature difference is now .7 degrees) outcome was unknown and VACCINATION SITE PAIN (Both sites had accompanying pain./Injection site redness & pain) had not resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       The patient was in the middle of in vitro fertilization, and the fertilized embryo is ready to insert into her uterus, but patient does not want the insertion until after she has the second Covid-19 injection.  No Treatment information was provided.   Most recent FOLLOW-UP information incorporated above includes: On 24-Aug-2021: Significant follow up was received on 24 Aug 2021 includes facility details