The vaccine has already proven effective at preventing the disease in half of those vaccinated which is more than ever before.

VOA: special.2009.12.22

In half of the groups, a person could chose to punish another individual who did not donate to the public project.

VOA: special.2009.03.03

As I handed them to him, I noticed that one had been torn in half and fixed with a piece of blue paper.

VOA: special.2009.01.17

Mike Henry says Millie now gives about two liters in half that time.

VOA: special.2010.07.20

A plan promoted by host Canada will have the most advanced countries cut their budget deficits in half by 2013.

VOA: standard.2010.06.27

Civil war cut the nation in half in 2002, after rebels attempting to overthrow President Gbagbo took control of the northern part of the country.

VOA: standard.2009.09.29

President Obama says he plans to slash it in half by 2014 through a combination of tax increases on wealthy Americans, and cuts in domestic programs.

VOA: standard.2010.02.01

One rebel called "Devil" chopped the baby in half with a machete.

VOA: standard.2010.06.07

The Sea Shepherd Conservation Society says one of its boats,the Ady Gil, a sleek high-technology speed boat, was rammed and sliced in half by a Japanese ship,the Shonan Maru.

VOA: standard.2010.01.06

on a path to long-term, sustainable fiscal health. But he told reporters that achieving another objective, cutting the deficit in half as a percentage of gross domestic product within five years, would require "modifications,"

VOA: standard.2009.03.24

In a half-hour news conference, he admitted making what he called "some incredibly bad decisions" that "hurt so many people."

VOA: special.2010.04.10

The group's most recent complete study shows enrollment in computer sciences increased five and a half percent in two thousand nine.

VOA: special.2011.03.22

The World Health Organization estimates that cardiovascular disease killed seventeen and a half million people in two thousand five.

VOA: special.2009.07.15

Portugal's borrowing costs rose sharply Wednesday as it sold almost one and a half billion dollars in short-term securities.

VOA: special.2011.04.08