pneumonia; temperature going up to 103 degrees/fever; tested positive for COVID19/COVID 19 positive; sore throat; cough; diarrhea; very bad headache; a little tired; high blood pressure; His Legs were a little wobbly from not using the muscles while in the hospital; get dehydrated; This is a spontaneous report from a contactable consumer(patient). A 66-year-old male patient received first dose BNT162B2 (Pfizer BioNTech Covid 19 vaccine, lot number ERO727), via an unspecified route of administration at Arm Right on 31-MAR-2021 09:30 at the 66 years old at single dose for COVID-19 immunisation.  The medical history was none. The concomitant medications were none. On 07Apr2021, he started to develop symptoms: sore throat and cough. On 08Apr2021, he got a PCR and rapid test, and he tested positive for COVID19. On the weekend of 10Apr2021 and 11Apr2021, it started getting more severe. He had a very bad headache on the left side of his head, right next to his left eyeball on 07-APR-2021. The patient stated that he could not get any relief, tried to take Tylenol but nothing helped. He also had diarrhea on 07-APR-2021, "couldn't hold anything in", and started to get dehydrated in APR2021. The reporter states that then that weekend on the 10Apr2021 at night getting a high temperature going up to 103 degrees/fever.  On 13Apr2021, his son told him that he better get to the ER. At the ER, he did a chest X-ray and another PCR test to confirm the COVID19 diagnosis. On the chest X-ray they found something unusual in his chest so they did a "contrast cat scan" and found pneumonia on 13-APR-2021. He was admitted the hospital on 13Apr2021 and was discharged on 16Apr2021. He is now scheduled for his second dose of the vaccine one 21Apr2021. He went to a clinic yesterday for a PCR test and it came out positive. He's getting conflicting information as to what needs to be done, some people are telling him he has to wait for 3 months, other are telling him to notify his PCP. He's wondering if he can get his second dose as planned on 21Apr2021. The patient stated that while he was in the hospital, they did a CAT scan. Caller reports that first they did an X-ray of his lungs and found something in lungs. The patient stated that they scheduled a CAT scan with contrast and was told he had pneumonia on top of having the COVID virus. The patient stayed in the hospital and they pumped him with fluids because he was pretty dehydrated because he couldn't hold anything in. The patient stated that he had diarrhea and everything else. The patient stated  he had high blood pressure in APR-2021 and he just didn't want to take a risk of any fatalities. The patient stated that they gave him some type of medication to fight the COVID virus, "Repar" or something like that. 16Apr2021 in the afternoon, they released caller back home. The patient stated that his temperature went down, his blood pressure went down and everything seemed to be ready for him to go home. The patient stated that yesterday on 18Apr2021 he decided to get another PCR test because he wanted to see if he still had the COVID virus. The patient stated that he didn't have a follow up PCR at the hospital because the hospital doesn't normally do it. PCR test still came out positive yesterday 18Apr2021. Caller states that his big question is that he is scheduled to get the 2nd Pfizer COVID vaccine on 21Apr2021 and since he is still testing positive for the COVID virus, is he still required to get the second Pfizer COVID vaccine or does caller have to wait. The patient stated that he is getting conflicting answers, some say you can't get the second shot for at least 3 months but the caller doesn't know how true that is.  The patient stated that he tested positive for the COVID virus on 8Apr2021, caller went to a testing center. The patient stated that it was getting annoying, it was not the COVID symptoms. The patient stated that he thinks only thing is he was feeling was a little tired and tired from being in the hospital for so many days in APR-2021, In APR-2021 his Legs were a little wobbly from not using the muscles while in the hospital. The patient stated he was walking around in the apartment to help build up the leg muscles. The patient stated that he does have an appetite and is drinking liquids. The patient stated that he was diagnosed with pneumonia on 13Apr2021 and he is not sure if it is ongoing or not. He asked the hospital before discharge about if they were going to check again for the pneumonia the answer was we normally don't test and that caller needs to go to his PCP doctor to see if the PCP will order another test for the pneumonia. The patient stated that it would have been easier for them to check again while caller was still in the hospital already.  The events sore throat, fever, cough require a visit to Emergency Room. If applicable, there was not any other vaccinations within four weeks prior to the first administration date of the suspect vaccine. The outcome of event COVID-19 was Not recovered, the events Pneumonia, Dehydration, Tiredness , Muscle weakness was unknown, the events Sore throat, Cough, Diarrhea, Fever, Headache was recovered on 16-APR-2021, the event Blood pressure high was recovering.