Medicine Frontier:Tele - Med: Vaccines
The threat from all the various pathogens — the organisms that cause disease — they kill about 17 million people world wide every year. 17 millions of us were cut off in the prime of life by simple microorganisms. People in the Middle Ages were still pretty much at the mercy of the bacteria and viruses that caused diseases. But nowadays we know an awful lot about them， and we have vaccines and drugs to combat them!
- Added：2006
- Country：Germany
- Duration：30
- Time of update：2011/8/24 15:07:10