Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Vaccines are made up of:

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> A vaccine is a biological preparation containing weakened or dead microbes. It is introduced into a healthy person's body so that it can produce antibodies against the disease-causing microbes. Vaccines can be injected or administered orally.