The team, led by Professor Navin Varadarajan, developed NanoSTING, a nasal spray that activates the immune system to prevent respiratory infections, and NanoSTING-SN, a universal nasal vaccine against ...

Other foods and drinks, such as alcohol and dairy products, can worsen flu symptoms. No single food or drink is guaranteed to soothe flu symptoms, but these 11 choices have a better chance than most.