Le vaccin nasal contre la grippe jugé inefficace

No Flu Nasal Spray Next Season: Why Is This Vaccine Not Working?

People who prefer to get the nasal spray version of the flu vaccine, as opposed to the flu shot, will be out of luck next season: Health officials say the nasal spray should not be used this coming

http://www.scientificamerican.com/article/no-flu-nasal-spray-next-season-why-is-this-vaccine-not-working/?WT.mc_id=SA_TW_TECH_NEWS