流感

人患猪流感human cases of Swine Flu 猪流感病毒 the H1N1 swine flu viruses H1N1 抗原变体antigenic variant 抗原变异 antigenic variation 抗原飘移 antigenic drift 抗原位移 antigenic shift 从病毒中获取遗传物质 scrambling/acqui

CCTV9英语新闻：中国确认全球首例H10N8禽流感China confirms first case of H10N8 human infection in the worldHealth authorities in China confirmed on Wednesday the first human case of H10N8 bird flu in the country, making it