Phase five is marked by human-to-human spread of the virus into at least two countries in the same area of the world.

VOA: special.2009.05.06

The total amount of activity should be spread over at least three days throughout the week.

VOA: special.2010.06.08

If the immune system weakens at any point, they begin to spread and then attack.

VOA: special.2009.03.25

The disease has spread to at least seven countries and is suspected in others.

VOA: special.2009.04.29

"By going to phase six, what this would mean is that the spread of the virus is continued and that activity has become established in at least two regions of the world.

VOA: special.2009.06.10

So spread the word out at the rez, huh? Keep the kids out of the woods.

VOA: standard.other

Dr.Strebel says the Millennium Development Goal aimed at reducing child mortality by two-thirds by 2015 will be missed if measles outbreaks continue to spread.

VOA: standard.2010.05.21

As the oil has spread and washed ashore at Gulf Coast beaches and wetlands, cleanup crews have been trying to scoop up what they can.

VOA: standard.2010.08.05

In the meantime, the Obama administration is urging common-sense steps to prevent the spread of swine flu, including frequent hand-washing and asking flu sufferers to stay at home.

VOA: standard.2009.05.03

At their joint news conference, Mr.Obama also talked about efforts to control the spread of nuclear weapons - an issue that is topping the agenda for his discussions here with Russian President Dmitri Medvedev.

VOA: standard.2009.04.01

Major concerns over delays in the construction of facilities, including stadium updates and practice fields at a number of the eight venues spread across the country, seem to have been resolved at the last moment.

VOA: standard.2009.10.22

"Let's go from here," he said "Let's scrap the bill. Let's build health care reform that respects the limited government and liberty of the American people, so help us God!" Grassroots conservatives, many of them members of the so-called Tea Party movement, are out in force at the rally, eager to spread their anti-Obama, anti-tax,anti-big government message.

VOA: standard.2010.03.18