[ad_1] From May 20 to Oct. 13, 1.4 percent of the 197,295 respiratory specimens tested for influenza at U.S. clinical laboratories were positive — about 65 percent of them positive for influenza …
Read More »[ad_1] From May 20 to Oct. 13, 1.4 percent of the 197,295 respiratory specimens tested for influenza at U.S. clinical laboratories were positive — about 65 percent of them positive for influenza …
Read More »