Assertion (A): During vaccination, dead or weakened microbes are introduced into the body. Reason (R): Vaccines help to increase our immunity.
during a vaccination weakened or dead microbes are injected, but later when the real disease causing microbe enters our body won't it be much stronger than the weakened one and will it not be able to cause the disease?? then how does our immune cells fight against those microbes and prevent the disease??
A substance containing weakened or dead microbes, introduced into a healthy person's body to produce antibodies (immunity) against the disease-causing microbes is known as __.