单词：Ephemerovirus
单词：Ephemerovirus 相关文章
This is the VOA Special English Health Report. Swine flu is a respiratory sickness caused by an influenza virus that mainly infects pigs. However, sometimes the virus can sicken humans. That is what has happened in Mexico in the last few weeks. The
VOA慢速英语2009年（四）月
Technology Report - New Research Hopes to Speed Development of HIV Vaccine This is the VOA Special English Technology Report. A team of scientists in the United States has created a new type of mouse that has an immune system similar to that of human
2012年VOA慢速英语(八)月
This is the VOA Special English Development Report. Health officials in the Democratic Republic of Congo have declared the end of an outbreak of Ebola virus. Cases were first identified in December in the southern province of Kasai Occidental. The W
VOA慢速英语2009年（二）月
This is the VOA Special English Health Report. Evidence is increasing that common influenza viruses are becoming resistant to the main drug used to treat them. The drug is oseltamivir, also known as Tamiflu. The most common seasonal flu virus found
VOA慢速英语2009年（三）月
This is the VOA Special English Development Report. People get chikungunya fever when they are bitten by mosquitoes infected with the disease. For many years, the disease has been found in countries in Africa and Asia. The symptoms are increased bod
VOA慢速英语2009年（四）月
Related reading: Chinese scientists on Wednesday announced the first direct evidence linking the Zika virus to microcephaly in mice experiments. Xu Zhiheng with the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences in
cctv9英语新闻2016年