Some flu strains can make mice forgetful
Memory trouble and brain changes lingered months after infection
![H3N2 flu viruses](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/02/022318_LS_flu-and-memory_main.jpg?fit=860%2C460&ssl=1)
BRAIN DRAIN Certain influenza viruses, like the H3N2 strain shown in this transmission electron micrograph, can cause memory trouble and brain damage in mice months after infection, a new study shows.
Dr. Fred Murphy/CDC