An open-label comparison of the immunogenicity and tolerability of intranasal and intramuscular formulations of virosomal influenza vaccine in healthy adults.

BACKGROUND Many intramuscular inactivated influenza vaccines achieve suboptimal results in the prevention of respiratory disease and influenza complications. This has led to the current interest in developing effective oral or intranasal preparations. OBJECTIVE This study compared the immunogenicity and tolerability of intranasal and intramuscular… CONTINUE READING