Democratic Michigan Senate nominee Abdul El-Sayed will have to win the support of non-college-educated, lower-income and non-white voters in the Michigan Senate race, after struggling to make inroads with that demographic in Tuesday's Senate primary.

The FDA has approved the U.S.’s first mRNA flu shot. Such mRNA vaccines can be manufactured much faster than traditional ones, allowing scientists to better match circulating influenza strains. In a late-stage trial, mFlusiva — from drugmaker Moderna — was found to be about 27% more effective than a standard flu shot.