vaccination

• How do animals respond to vaccination?

  • Lymphocytes produce antibodies against the antigen.
  • The antibodies are specific to the antigens.
  • the specific antibodies bind to the antigen.
  • If the animal is infected it will quickly produce antibodies as they already have antibodies as memory cells.
  • So they will recover from the antigen faster.
• How does vaccination prevent food poisoning in humans?

  • Fewer (salmonella) antigens would be consumed/eaten.
  • So the number of bacteria doesn't become high enough to develop an infection.
  • So fewer toxins produced (reduced symptoms of food poisoning) would be shown in humans.