Assessment 2

Question 4

Complete each statement by choosing the correct option from the drop-down list.

1.  Aluminium salts used in vaccines as can occasionally cause a sterile abscess at the injection site.
2. The effectiveness of some live attenuated vaccines can be maintained during storage by the addition of .
3. The addition of trace amounts of prevents bacterial contamination of tissue culture cells in which vaccine viruses are grown.
4. Thiomersal is the most common of the used to prevent bacterial and fungal growth in multidose vaccines.
5. The polioviruses used in manufacturing IPV are inactivated by treatment with .
6. The immune response to some vaccines is enhanced by the addition of .

Answer

Correct answers:

  1. Aluminium salts used in vaccines as adjuvants can occasionally cause a sterile abscess at the injection site.
  2. The effectiveness of some live attenuated vaccines can be maintained during storage by the addition of stabilizers.
  3. The addition of trace amounts of antibiotics prevents bacterial contamination of tissue culture cells in which vaccine viruses are grown.
  4. Thiomersal is the most common of the preservatives used to prevent bacterial and fungal growth in multidose vaccines.
  5. The polioviruses used in manufacturing IPV are inactivated by treatment with formaldehyde.
  6. The immune response to some vaccines is enhanced by the addition of adjuvants.