ATLANTA, May 11 (UPI) -- U.S. influenza activity remained low, but a total of 138 influenza-associated pediatric deaths were reported for this year's flu season, health officials say.
The weekly flu report by the Centers for Disease Control and Prevention in Atlanta said for the week ending May 4, of 3,048 specimens tested by laboratories, 4.1 percent were positive for influenza and the proportion of deaths attributed to pneumonia and influenza was below the epidemic threshold.