But experts say it has become the leading flu virus in all countries.

VOA: special.2009.11.24

And,over the years, it has become a popular way of expressing sadness.

VOA: special.2009.10.25

Some are made up of disaffected members of the regional terror group Jemaah Islamiyah, who feel it has become too passive.

VOA: standard.2010.03.24

Thanks to some of these new treatment strategies, it has become possible to slow the advancement of Alzheimer's.

VOA: standard.2009.12.04

"It has become a diagnostic tool that informs and guides our efforts as we seek to build a global partnership to combat modern slavery,"

VOA: standard.2009.06.16

"I certainly do think that it has become a victim of itself in many ways, like getting into some of the events are almost impossible.

VOA: standard.2010.07.23

The report also shows that it has become increasingly difficult to find new jobs, a conclusion that worries Congresswoman Carolyn Maloney, a New York Democrat and chairwoman of the committee.

VOA: standard.2009.04.03

Secretary Geithner told the House Financial Services Committee Thursday that it has become clear there is a need for better and tougher regulation in a complex and flawed financial system.

VOA: standard.2009.03.26

"It has become increasingly clear that Tony Blair misled parliament on more than one occasion and I think that MPs were invited to make their own judgment on the merits of the case for war and they were entitled to do so on the truth and it looks very much as though that the truth was withheld from parliament and many MPs may well have made a different decision if they had had the full unvarnished truth,".

VOA: standard.2009.12.13

China says it has passed Germany and become the world's top exporter.

VOA: special.2010.01.15

Believe it or not, air guitar has become a competitive sport.

VOA: special.2009.08.14

Now he says it has also become a rewarding livelihood.

VOA: special.2009.12.04

It is a scenario that has become all but routine - an act of piracy on the high seas by Somalis.

VOA: standard.2010.04.20

Mustafa argues that whatever the original point of the ban, it has been so widely violated as to become meaningless.

VOA: standard.2009.10.08