But, hey, at least it's hygienic.

Sterile strips may also be used to cover the sutures for up to a week.

This is live HIV virus at Harvard Medical School, who is working with the U.S. Government to develop sterilizing immunity.

When the filter is placed in a sterile petri dish and saturated with an appropriate medium, growth of the desired organisms is encouraged, while that of other organisms is suppressed.

It used to be, two, three hundred years ago, that a lawn was a symbol of prestige, and so it was only the very rich that could keep these green actually, deserts they're totally sterile.

The use of unsterilized instruments, unhealed or open wounds or other complications arising in the process facilitates entry of the HIV virus into the body.

We've talked a lot about compassion the last couple of days, and what's happening really is that people are unable quite to bring themselves to put in good sexual and reproductive health services for sex workers, unable quite to be giving out needles to junkies.

In this technique, a drop of the culture on the end of a thin, sterile loop of wire, sometimes known as an inoculator, is streaked across the surface of the agar leaving organisms behind, a higher number at the beginning of the streak and a lower number at the end.