The options of the question are:
A) toxoids.
B) inactivated viruses.
C) antibodies.
D) parts of bacterial cells.
E) live, attenuated bacteria.
Answer: Antibodies
Explanation:
The vaccine can be defined as the substances which when given to the body generates the acquired immunity in the body against a particular disease. It is a type of biological preparation because it contains the attenuated form of microbes in it.
It generally contains the substance that resembles the disease causing microorganism, often made by surface proteins of the microorganism, toxoids, live or attenuated form bacteria, inactivated virus,
These substances make the body ready for the future disease against which the vaccine is being given to the body.
Example: vaccine for chicken pox, vaccine for polio.
The substance not used for the preparation of vaccines is ; Antibodies
Vaccines are made from the surface protein of the disease causing microorganisms, toxoids or inactivated virus. because that way the immune system will be prepared against the infectious nature of the microorganisms when it tries' to infect the host body.
There are certain substances used for the preparation of vaccines and some these include ;
Hence we can conclude that the substance not used for the preparation of vaccines is Antibodies
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