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