Question

What are vaccines? the first answer i will be vote 5 out of 5​

Answer 1

Explanation:

mild form of a disease that is put (injected) into a person or an animal’s blood using a needle (an injection) in order to protect the body against that disease

किसी रोग के प्रति प्रतिरक्षा के उद्देश्य से मुष्य अथवा पशु के रक्त में सुई की सहायता से डाला जानेवाला उसी रोग के कीटाणु (कमज़ोर रूप में); टीके की दवा; वैक्‍सीन

Answer 2

Answer:

A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease