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What is vaccine?

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What is vaccine?                                                                                                                                                                  

 A vaccine is a special type of medicine that prepares a person to fight diseases. Each vaccine contain dead or weakened bacterium or part of it. When the vaccine is injected into the body so these dead or weak germs produce immune substances or white blood cells. That protect us when the real germs enter our body and try to distract us. 

 How is covid-19 vaccinated?

The covid-19 vaccine provided so far is injected into the arm muscle and given in 2 doses at three to four week intervals.



What are the side effects of covid-19 vaccine ?



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