Answer:
Unvaccinated person has naturally immune , cannot catched by this disease.
Explanation:
The white blood cells can recognise that these are not human protein . The invading or foreign protein is called an antigen . Antigen in the blood
starts the white cells making defence chemicals called antibodies. Some antibodies break up the antigens . This stops the antigen entering the body cells & makes it easier for the Phagocytes
to egulfs and digest antigens/pathogens & also
Lymphocytes produce antibodies to destroy pathogens.
Some bacteria produce toxins inside the body ,
Our white blood cells can also make antitoxins to
destroy the poison .
Antibodies and antitoxins help prevent microbes damaging the body . The help us fight off the. disease , giving us IMMUNITY to the disease.
