Immunity, Vaccinations and Antibiotics

Immunity

If same antigen comes back antibodies are quickly produced as there is a memory that remembers the antigen

Immunity - primary response

Slower

Immunity - secondary response

Quicker

Vaccines

Immunise against disease by introducing a small amount of dead or inactive pathogen in the body

Antibiotics

A substance produced by a microorganism to kill other microorganisms

What do antibiotics do?

Cure bacterial disease by killing infecting bacteria or preventing their growth

Do antibiotics help with viruses?

No because viruses live inside host cells

Antibiotic Resistance

Resistance to a chemical poison - organisms survive exposure to a dose that it is normally lethal to