Facts about Pfizer BioNTech Best Covid-19 Vaccine


Best Covid-19 Pfizer Vaccine Ingredients List 

Active Components: 

mod RNA (nucleoside-modified messenger RNA) encrypting the viral spike glycoprotein (S) of SARS-CoV-2 


  • cholesterol 
  • (4-hydroxybutyl) azanediyl) bis(hexane-6,1-diyl) bis (ALC-3015) 
  • 1,2-distearoyl-snglycero-3-phosphocholine (DPSC) 
  • (2- hexyldecanoate),2- [(polyethylene glycol)-2000]-N, N-ditetradecylacetamide (ALC-0159) 


  • sodium chloride 
  • potassium chloride 
  • monobasic potassium phosphate 
  • basic sodium phosphate dihydrate 


  • sucrose 

When will Pfizer Vaccine be Fully Approved by FDA? 

About the best Covid-19 vaccine approval, FDA stated that: 

Data from 44,000 people were included in the survey before giving approval to that vaccine. Now this vaccination will be 91% effective in preventing COVID-19. This vaccination is now fully approved for those aged 16 and older. 

“Pfizer two-dose vaccine has been approved by US Food and Drug Administration (FDA)”   

The public can be very confident about the vaccine because it meets the highest quality standards for safety, performance and productivity said by Commissioner FDA Janet Woodcock. 

Pfizer Vaccine Side Effects: 

On Arm Where you got the Shot 

  • Swelling 
  • Pain 
  • Redness 

Across your Body 

  • Chills 
  • Fever 
  • Nausea 
  • Headache 
  • Tiredness 
  • Muscle Pain 

These symptoms are temporary only for two or three days after getting vaccinated. These side-effects are common within 7 days of getting vaccinated. Some people are affected in such a way that they can’t fulfill their routine activities for few days.  

How Long Between Pfizer Shot? 

To get more protection from Covid-19, you will need two shots of the identical best covid-19 vaccine. 

Vaccines are not interchangeable: 

On your first Shot, if you receive Moderna Vaccine or Pfizer BioNTech, you should get the same on your second shot. 

Gap Among your Second Shot 

This gap depends upon the type of vaccine you selected in the case of Pfizer-BioNTech get your second Shot after 21days(3weeks) on the other hand in the case of Moderna Vaccination get your second shot after 28 days(4weeks). 

You should not get the second shot early.  

However, if you had received your second shot early or later from your first shot, you should not have to restart the vaccine series. 

How does Pfizer Vaccine Works? 

  • Based on clinical trials the Pfizer-BioNTech vaccine in people 16 years and older was 95% useful to prevent yourself from laboratory-confirmed infection that is the root cause of Covid-19.  
  • To Prevent youth (12-15 years) from dangerous COVID-19 this vaccine was also highly effective because the immune system of adults was at least as strong as in people 16-25 years old.  
  • The vaccine was also highly recommended in clinical trials among people of various sex, age, race and ethnicity types.  

Pfizer Vaccine Efficacy after 6 Months 

The pfizer’s-BioNTech vaccine remains to perform Strong Protection as opposed to serious hospitalization and illness after half a year, according to a new study.