[Verified Answer]: Which is most precise

Which is most precise? Oral vaccination is preferred for targeting the respiratory, gastric and genital tracts The mucosa-associated lymphoid tissue (MALT) is a primary lymphoid tissue Intranasal vaccination is effective for immunity in the gut and for the induction of mammary gland antibodies which are secreted in milk The oral route and intravenous route can lead to the induction of immune tolerance