New Covid-19 vaccines are hitting the shelves just as a summer surge infects people across the nation.
For most, the virus has become background noise, but as case counts rise alongside the back-to-school season, the potential for spread grows exponentially.
There are “high” or “very high” levels of Covid in the wastewater in nearly every state, according to the Centers for Disease Control and Prevention. At least one estimate suggests that as much as 2.5 percent of the population is infected with Covid.