单词：fowlpox virus
单词：fowlpox virus 相关文章
DEVELOPMENT REPORT – February 4, 2002: WHO and Smallpox By Jill Moss This is the VOA Special English Development Report. The World Health Organization has delayed the destruction of the last remaini
农业与发展
This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? If you're worried about news reports of West Nile virus, you might want to go take a census of the birds in your backyard. Because certain species of birds actually
Scientific American(十)月
SCOTT SIMON, HOST: There was an uproar in biology recently when scientists announced they'd used bits of DNA to manufacture a pox virus. Critics said the work is dangerous. Research teams had essentially published a recipe that could help terrorists
2018年NPR美国国家公共电台2月
HEALTH REPORT - October 16, 2002: Debate About Smallpox Vaccine By Nancy Steinbach This is the VOA Special English Health Report. American medical groups are urging the government to limit the use of
健康与环境
By Phuong Tran Dakar 18 August 2007 The West African country of Togo recently announced more bird flu infections outside its capital, making it the seventh West African country to report finding the deadly H5N1 virus in its poultry. Bird flu experts
2007年VOA标准英语（八月）