Sinus infection; My mucous was green yellow coming out of my nose; Tested positive for COVID-19; Tested positive for COVID-19; This is a spontaneous report received from a non-contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A male patient received BNT162b2 (BNT162B2), in Dec2021 as dose 3 (booster), single (Batch/Lot number: unknown) and as dose number unknown, single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. The following information was reported: RHINORRHOEA (non-serious) with onset Apr2022, outcome "unknown", described as "My mucous was green yellow coming out of my nose"; DRUG INEFFECTIVE (medically significant), COVID-19 (medically significant) all with onset Apr2022, outcome "unknown" and all described as "Tested positive for COVID-19"; SINUSITIS (non-serious) with onset 24Apr2022, outcome "unknown", described as "Sinus infection". The patient underwent the following laboratory tests and procedures: SARS-CoV-2 test: (Apr2022) Positive, notes: home test, Floflex, and it came up positive for COVID. Therapeutic measures were taken as a result of covid-19.  Additional Information: Reporter states the patient has been vaccinated and was boosted in Dec and still tested positive for COVID-19 on a home test over the last week. Product: Comirnaty Question: I have been vaxxed and boosted How did I pick this up? I have followed the mask mandate. Once they did away with the mask mandate I think that's what happened to me. Response: Spoke from the PI: Efficacy Against COVID-19.  Stated the long term efficacy data is limited but found to wane over time. The virus mutates over time as well. Spoke from the Fact Sheet for HCPs: Pfizer-BioNTech COVID-19 Vaccine supplied in a multiple dose vial with a purple cap is authorized for use to provide:  a first booster dose to individuals 18 years of age and older who have completed primary vaccination with another authorized or approved COVID-19 vaccine. The dosing interval for the heterologous booster dose is the same as that authorized for a booster dose of the vaccine used for primary vaccination; a second booster dose to individuals 50 years of age and older who have received a first booster dose of any authorized or approved COVID-19 vaccine; and a second booster dose to individuals 12 years of age and older with certain kinds of immunocompromise and who have received a first booster dose of any authorized or approved COVID-19 vaccine. Pfizer is unable to say how he may have contracted COVID 19. Request Name: REQ-withheld Product: Comirnaty Question: There was Delta, Omicron, and Omicron B2. Why are we still calling that COVID-19? Wasn't that the original one? Can the virus masquerade as a sinus infection? My doctor says I could have had a sinus infection and COVID-19 at the same time. My mucous was green yellow coming out of my nose. Was that a real sinus infection? Response: Stated to caller they are all COVID-19 however they are variations of the virus because of mutation over time. I can't speak on what the virus is doing. Symptoms can vary from patient to patient. Stated I am unable to say if COVID-19 can masquerade as a sinus infection. I am unable to say if he had a real sinus infection or not. Referred caller to HCP.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.