Summary
What makes the H1N1 virus, formerly known as swine flu, different from other viruses? First, it is important to understand viruses and bacteria are different. A virus is a tiny packet of eight genes wrapped in protein and is much smaller than bacteria.
Unlike bacteria, a virus is only half alive. It can't eat or reproduce by itself, but must take over the living cell of its host. Some viruses are actually useful, most are harmless, and some, like the flu virus, can be deadly.See the full content of this document
Extract
A Little About the H1n1 Virus
The H1N1 virus is different because it is a new combination of bird, pig, and human viral genes never found before in the U.S. or anywhere else. This means that people have no immunity to it...
See the full content of this document
Sponsored links
