Promising initial research could lead to more effective seasonal flu shots and ward against future pandemics
Dry cough. Runny nose. Sore throat. Muscle aches. These symptoms are all familiar to anyone who’s contracted the common flu, a respiratory illness that affects one billion people each year. The Centers for Disease Control and Prevention recommend most people receive yearly flu shots because the seasonal influenza virus mutates constantly, creating new strains that circulate from person-to-person leading to seasonal flu epidemics. These yearly vaccines are formulated to protect against the specific virus strains expected to spread and cause illness during that flu season, typically October through May.