Which of the following procedures can prevent the spread of infectious pathogens in a medical facility?

Which one of the following statements is NOT true about polysaccharide vaccines?

a. A unique type of inactivated subunit vaccines composed of long chains of sugar molecules that make up the surface capsule of encapsulated bacteria. b. The immune response to a pure polysaccharide vaccine is typically T cell independent, which means these vaccines are able to stimulate B cells without the assistance of T-helper cells. c. T cell-independent antigens are not consistently immunogenic in children < 2 years of age. d. The antibody made in response to pure polysaccharide antigens is mostly of the IgG class.

Epinephrine is a first-line treatment for SVT

Indicate whether the statement is true or false