Early estimates of the effectiveness of this year's flu vaccine suggest it may be less effective at preventing hospitalization than in previous years, based on data from South America, where the influenza season is early each year. According to a report from the Centers for Disease Control and Prevention (CDC), this year's flu shot appears to be 34.5 percent effective in preventing hospitalization in Argentina, Brazil, and other countries.

The U.S. Drug Enforcement Administration (DEA) warned Friday of an increase in illegal online pharmacies selling counterfeit pills containing fentanyl and methamphetamine. “As Americans increasingly turn to online pharmacies to purchase needed medications, the DEA is investigating illegal online, often foreign-based websites that deceive and target American consumers. We are issuing this public safety alert to warn you of an increase in the number of sites.