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