______ is an infectious disease caused when germs enter the body.
Identify the wrong statement.
A. A vaccine is a biological preparation that contains active or weakened microbes.
B. Polio is an infectious disease caused by bacteria.
C. Cancer is caused due to abnormalities in DNA.
D. Lifestyle habits can cause diseases like obesity.
Germ of germ-substance introduced into the body to prevent into the body occurence of an infectious disease .