Seven U.S. states reported record one-day increases in Covid-19 cases so far in September even as the average daily number of new infections is falling nationally.

The number of new cases of the novel coronavirus reported in the United States fell 15 percent last week from the previous seven days, and deaths fell for a fourth week in a row, according to a Reuters analysis.

Several states in the U.S. Midwest and Northeast have seen new Covid-19 cases increase for two weeks in a row, though nationally both new infections and deaths last week remained on a downward trend, a Reuters analysis showed.

Americans sunbathed on beaches, fished from boats and strolled on boardwalks this holiday weekend, but the occasional person wearing a mask was a constant reminder that the world is still battling the coronavirus pandemic.

Five U.S. states filed lawsuits accusing Purdue Pharma LP of illegally marketing and selling opioids, including OxyContin.