Norovirus, a highly contagious stomach virus, is continuing to spread across the United States and is resulting in the shutting down of schools in some locales. Recent data from the Centers for Disease Control and Prevention (CDC) suggests positive tests for the virus are at a seasonal high across the United States. At the regional level, test positivity spikes are occurring in the Northeast at over 16 percent, the South at over 16 percent, the West at over 12.5 percent, and about 15 percent in the Midwest.
Two Petersburg, Virginia, elementary schools shut down on Feb. 17 over the virus. Authorities said it spread quickly among students, who have been instructed to log in and complete their school assignments at home….