Leukemia because of Moderna Covid 19 vaccine; After 2 or 3 weeks of receiving the Moderna Covid 19 vaccine his son got a Covid 19 infection/Instead of protecting against the virus the Moderna Covid 19 caused him 3 or 5 Covid 19 infections.; This spontaneous case was reported by a patient family member or friend and describes the occurrence of LEUKAEMIA (Leukemia because of Moderna Covid 19 vaccine) in a 20-year-old male patient who received mRNA-1273 (Spikevax) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On an unknown date, the patient received dose of mRNA-1273 (Spikevax) (unknown route) 1 dosage form. On an unknown date, the patient experienced LEUKAEMIA (Leukemia because of Moderna Covid 19 vaccine) (seriousness criterion medically significant) and COVID-19 (After 2 or 3 weeks of receiving the Moderna Covid 19 vaccine his son got a Covid 19 infection/Instead of protecting against the virus the Moderna Covid 19 caused him 3 or 5 Covid 19 infections.). At the time of the report, LEUKAEMIA (Leukemia because of Moderna Covid 19 vaccine) and COVID-19 (After 2 or 3 weeks of receiving the Moderna Covid 19 vaccine his son got a Covid 19 infection/Instead of protecting against the virus the Moderna Covid 19 caused him 3 or 5 Covid 19 infections.) outcome was unknown.        The action taken with mRNA-1273 (Spikevax) (Unknown) was unknown.       No concomitant medication was provided by reporter. No treatment drug was provided by reporter.  Patient received the Moderna Covid-19 vaccine and after this 2 or 3 weeks he got a Covid 19 infection after a few weeks he had another Covid 19 infection. reporter stated that the patient (his son) has now Leukemia because of the Moderna Covid 19 vaccine and he is dying because of the vaccine. Reporter stated that the vaccine instead of protecting his son it caused him to get infected with Covid19 3 or 5 times already. He stated that his son was a healthy young man. He spent his life growing him for Moderna to kill him. He stated that his son is now dying from this demon vaccine. He stated that he is very upset and he has never been upset in his life.  Company comment: This spontaneous case concerns a 20 year old male with no reported medical history who experienced the unexpected serious (medically significant) event of leukemia and the unexpected non-serious adverse event of special interest COVID-19. The events occurred at an unknown interval after receiving a dose of mRNA1273. The reporter claims that the patient developed leukemia after receiving the vaccine, it was also mentioned that approximately 2 to 3 weeks after receiving the mRNA1273 the patient contracted COVID-19.   Further details regarding the clinical course, hospital admission, other diagnostic or imaging test done, concomitant medications and treatment were not provided. Information regarding other COVID-19 vaccines were not reported. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.   Most recent FOLLOW-UP information incorporated above includes: On 11-Aug-2022: Follow-up received as non-significant information was received.; Sender's Comments: This spontaneous case concerns a 20 year old male with no reported medical history who experienced the unexpected serious (medically significant) event of leukemia and the unexpected non-serious adverse event of special interest COVID-19. The events occurred at an unknown interval after receiving a dose of mRNA1273. The reporter claims that the patient developed leukemia after receiving the vaccine, it was also mentioned that approximately 2 to 3 weeks after receiving the mRNA1273 the patient contracted COVID-19.   Further details regarding the clinical course, hospital admission, other diagnostic or imaging test done, concomitant medications and treatment were not provided. Information regarding other COVID-19 vaccines were not reported. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.