But Michael O'Donnell says the number of serious bird strike incidents has remained at or below two hundred each year.

VOA: special.2009.04.01

ALLEN: " Well,at two o'clock, our billing changes." SECRETARY: "Well, what kind of an act do you do?"

VOA: special.2009.03.09

The W.H.O.offices for the Americas and the Western Pacific reported two out of three of those cases.

VOA: special.2009.11.24

"By two thousand and twenty, C.O.P.D.will likely be the third leading cause of death across the world."

VOA: special.2009.06.23

At current growth rates, the W.H.O.expects the number to reach twenty million by two thousand fifteen.

VOA: special.2009.07.15

The W.H.O.says two hundred forty-seven million people became infected with malaria in two thousand six.

VOA: special.2009.05.26

Central Standard Time, two o'clock Eastern Standard Time, some thirty-eight minutes ago."

VOA: special.2009.08.16

Still,the W.H.O.says there are two major barriers.

VOA: special.2010.04.13

The W.H.O.says since 1988, more than two billion children around the world have been immunized against polio.

VOA: standard.2010.08.02