Matching Pairs Vaccination Review GameOnline version Review game for vaccinetmv by Tina Tiny 1 Herd immunity is when? 2 How much do dose packages cost? 3 What groups do herd immunity protect? 4 Vaccines work by? 5 Symptoms, such as a fever or rash, are? 6 Do vaccinations cause autism? 7 Are vaccinations essential to a country's health? 8 What diseases have dropped in existence rate due to vaccinations? 9 Herd immunity drastically lowers the? 10 What are vaccinations? chance of a disease outbreak. teaching the immune system to mimic a natural infection. a substance prepared from dead or living microorganisms that is introduced into the body through inoculation. a significant portion of a community is immunized against a contagious disease, so most citizens are protected against that disease Yes. $17-$154 elderly people, young children, and people with weakened immune systems. No. considered to be normal after being vaccinated. smallpox and polio