This winter, bird flu has made a comeback, but this time it threatens a much larger area, stretching the length of East Asia from South Korea and Japan in the north to Indochina in the south.
這個冬天，禽流感又捲土重來，而且範圍更廣，整個東亞，北至南韓和日本，南至東南半島，無不籠罩在禽流感的威脅陰影下。