A woman in central China has died after testing positive for H5N6 bird flu, raising the number of human cases this year to seven, officials say. H5N6 is a strain for which experts have called increased surveillance. The latest case involves a 33-year-old woman from Bazhong City in Sichuan province, about 1,240 kilometers (770 miles) … Continue reading Woman dies of H5N6 bird flu in central China