The vial should be well shaken before withdrawing each 0.5 mL dose. Do NOT inject intravenously. Injections of Influenza Virus Vaccine should be administered intramuscularly, preferably in the region of the deltoid muscle. Before injection , the skin over the site to be injected should be cleansed with a suitable germicide. After insertion of the needle, aspirate to assure that the needle has not entered a blood vessel.
Potency is destroyed by freezing.
Prevention and control of influenza. Feigin RD, et al. Textbook of Pediatric Infectious Diseases. Micronesia, United States. United States, 1985.