单词:water-borne infection
单词:water-borne infection 相关文章
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Bob Doughty. On our program this week, we will tell about an environmental study of the recent wildfires in California. We will also tell how some wat
Legionnaires' Disease 1 Legionnaires' disease is a serious and sometimes fatal form of pneumonia 2 . Legionnaires' disease is caused by infection with Legionella bacteria which are found naturally in
Africa's Baobab Trees Are Dying Baobab trees are not only iconic images of dry, hot areas of Africa. Baobabs are important because they supply water and food for people and animals. They are sometimes called the tree of life. Yet, say researchers, so
We all have Escherichia coli bacteria in our intestines. These are the good strains of the bacteria. They help us digest our food. There are billions of these bacteria in our intestines and in our feces. Of the hundreds of strains of good E. coli, th
Everybody loves the swimming pool. But how clean is the water in the average backyard or public pool? If you trust chlorine to take care of germs, you're in for a surprise. Chlorine and other disinfec
Everybody loves the swimming pool. But how clean is the water in the average backyard or public pool? If you trust chlorine to take care of germs, you're in for a surprise. Chlorine and other disinfectants do indeed help to clean the water, but some