Carbon monoxide does not quickly leave the body, even after treatment has begun.

VOA: special.2011.01.25

The World Health Organization has begun to use a new vaccine against polio.

VOA: special.2010.01.18

President Barack Obama has begun his second year in office.

VOA: special.2010.01.23

Recently,AMISOM has begun taking a more active role in the conflict, patrolling far beyond their bases, and at one point, fighting alongside government forces.

VOA: standard.2009.08.21

Israel has begun moving cargo from the aid flotilla to the Gaza Strip after inspecting it.

VOA: standard.2010.06.01

And although known oil supplies are drying up, Yemen has begun exporting liquefied natural gas.

VOA: standard.2010.04.20

It has begun construction of a wind farm to supply nearly half its electricity.

VOA: standard.2009.11.09

Counting of ballots from Saturday's Kurdish elections has begun in earnest.

VOA: standard.2009.07.26

The more pessimistic Venetian residents say the countdown has begun and that if the exodus continues at this rhythm, in 2030 Venice will have become a ghost city with no more citizens, just hordes of tourists.

VOA: standard.2009.10.27

The Democracy Video Challenge for two thousand ten has already begun.

VOA: special.2009.10.02

Or make major changes in an activity that has already begun.

VOA: special.2009.07.12

He fought with them until the end of the war. For him,the reconciliation process has only just begun.

VOA: standard.2010.06.07

The Blair criticism has only begun. It also raises questions of whether his role as a special Middle East envoy is now untenable.

VOA: standard.2009.12.13

He says he is proud of what he's achieved, but believes his job has just begun.

VOA: standard.2009.12.10

Administration officials say U.S.Middle East envoy George Mitchell, who was to have begun a trip to the region Monday, has postponed his departure because of the housing controversy.

VOA: standard.2010.03.16