n this Monday, Dec. 26, 2016 photo, health officials wearing protective suits carry a sack containing killed chickens after they were slaughtered at a chicken farm where a suspected case of bird flu was reported in Incheon, South Korea. Aout 26 million head of poultry will be culled by Wednesday including about one-third of the country&#39;s egg-laying hens after the H5N6 strain of avian influenza was found in farms and parks. (Yun Tae-hyun/Yonhap via AP)
