Answers

2014-04-30T17:29:01+05:30
Human Papillomavirus is living weakened germs is introduced in our body as a protection in the form of vaccine.
1 1 1
2014-04-30T17:35:26+05:30
There are many such diseases such as polio,..
For such diseases, vaccines are given to the body which contains weakened viruses of the disease so that the anti-bodies get alert against the disease and the person don't get the disease again.......
1 5 1
no its wrong
its absolutely ridht.
I mean 'right'
its for measles