10. Consider the following, with regard to Subunit, Recombinant, Polysaccharide, and Conjugate Vaccines.
- They can be used on people with weakened immune systems and long-term health problems.
- They use specific pieces of the germ like its protein, sugar, or capsid.
- These vaccines are used to protect against Hib (Haemophilus influenzae type b) disease and Hepatitis B.
Which of the above statements is/are correct?