New Flu Vaccine May Not Need Needles Published: Jan 29, 2008 HONG KONG, Jan 29 (Reuters) - Administering flu vaccines under the tongue may be more effective and offer more protection than injecting or inhaling the drug, a study with mice in South Korea has found. Related links BBC News This will open in a new window AP This will open in a new window Reuters This will open in a new window Email this Facebook Twitter LinkedIn Pinterest Reddit Back to news