A common food additive may make the flu vaccine less effective
Mice eating the preservative had more inflammation and took longer to recover from the flu
![crackers](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/04/040819_ts_food-additive-flu_feat.jpg?fit=860%2C460&ssl=1)
FLU FRIEND A preservative that helps keep crackers and other foods fresh may impair the body’s efforts to fight flu, a study in mice suggests.
Quinn Dombrowski/Flickr (CC BY-SA 2.0)