Headache; This is a spontaneous report received from a contactable reporter. The reporter is the patient.  A 34 year-old male patient received bnt162b2 (BNT162B2), intramuscular, administered in deltoid right, administration date 12May2021 (Lot number: EW6171) at the age of 34 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "COVID-19", start date: Dec2020 (un-specified if ongoing); "Double pneumonia" (unspecified if ongoing), notes: He had double pneumonia and took almost 2 months to recover to where he was at least 75% back to normal. He said that he has scarring on his lungs. The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose number: 01, Lot number: EL3259, Location: Right arm deltoid), administration date: 17Apr2021, for Covid-19 Immunization. The following information was reported: HEADACHE (non-serious) with onset 12May2021, out-come "recovered" (13May2021), described as "Headache". Therapeutic measures were not taken as a result of headache. Additional information:  number and Expiry Date of Covid-19 vaccine were Unknown. The Patient did not have any Medical History. There was not any Family Medical History Relevant to Ad-verse Event. The Vaccine did not administer at Facility. Vaccination Facility Type was Phar-macy/Drug Store. No additional Vaccines Administered on Same Date of the Pfizer Suspect. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. No Adverse Event following prior vaccinations. Intramuscular injection, Makes the muscle twitch when they inject it. The patient had double pneumonia and took almost 2 months to recover to where he was at least 75% back to normal. He said that he has scarring on his lungs. The transferring agent stated that she has a caller on the line that was calling about the Covid-19 vaccine and said that he was hospitalized with Covid in Dec2020 and received his first dose about 4 weeks ago and received his second dose last Monday and had a headache and he was completely fine after that and wanted to report it as he has heard that other people were experiencing worse symptoms. The patient declined to provide any physician information. The patient clarified that he received his second dose was Wednesday 12May2021. He was nervous because everyone said that he would feel worse after the second dose. He said that almost 10 hours after he received the second dose, he developed the headache. He said that it is like a massive migraine like your head is going to explode. He said that nothing alleviates it. He did not take anything to treat it. He said that he heard that it is better to just have the inflammatory response, so he did not take anything for his head-ache. He said that he just went to sleep. He received the vaccine at 10:30-11:30 in the morning. He said that 24 hours later the headache was disappeared completely. He said that when he got the headache it was like a light switch being turned on and when it stopped it was like a light switch being turned off. That his only symptom after the second dose. He said that the second dose Lot could be EW0171. Adverse event did not require any visit to Emergency Room or No Physician Office. She did not have Relevant Tests.  No follow-up attempts are possible. No further information is expected.