Science Your diet may influence how effective vaccines are for you By Tanushree Jain - April 24, 2024 0 Share FacebookTwitterPinterestWhatsAppLinkedinReddItTelegramTumblrDiggFlipNaverEmailPrint Obese mice that lost weight on a low-fat diet before getting a flu shot had better immune responses than those that lost weight afterwards, suggesting diet and weight loss influence vaccine efficacy