Making sure clean water is available will perhaps the most important factor in preventing the spread of diseases like typhoid, cholera, and other infectious diseases.
The European Union debt crisis and fears it may spread worldwide remain the major bullish fundamental factor for the gold market.
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What determines this coolness factor and how does it spread?
This covers not only teenaged boys, getting a thrill by watching a fire take hold and spread, but those motivated by the "hero factor" - people who want to be involved and to take the credit for fighting the blaze.
Dr. James Steinberg, medical director at Emory University's Crawford Long Hospital in Atlanta, Georgia, said that environment plays a role in the spread of MRSA but that it's less a factor than coming into contact with a person's skin.
The spread of a debt crisis across the euro zone was an important factor in the bailout package for Ireland, according to officials in both France and Germany.
For example, private rooms, adopted as a standard for new hospital construction in 2006, have been shown to reduce the spread of infection and decrease the disruption of sleep, an important factor in healing.
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Analysts studying companies buying back their own stock will also factor into their analysis that future earnings will now be spread over a smaller share count, thereby increasing the per-share earnings the remaining shares will enjoy, versus what that same number would have been absent the stock buyback activity.
Your great content, by the way, is a core factor in building your opted-in audience, as your current online followers help spread your content around to their communities.
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"We think we've found a common factor in the movement of embryonic cells during development and of cancer cells during the spread of the disease, " said Professor Stern.
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