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United States

Kate Kelland

Jeff Mason is a White House Correspondent for Reuters and the 2016-2017 president of the White House Correspondents’ Association. He was the lead Reuters correspondent for President Barack Obama's 2012 campaign and interviewed the president at the White House in 2015. Jeff has been based in Washington since 2008, when he covered the historic race between Obama, Hillary Clinton and John McCain. Jeff started his career in Frankfurt, Germany, where he covered the airline industry before moving to Brussels, Belgium, where he covered the European Union. He is a Colorado native, proud graduate of Northwestern University and former Fulbright scholar.

Twitter handle: @jeffmason1

Jun 15 2017

Three mutations could make bird flu a potential pandemic: study

LONDON, June 15 Scientists have identified three mutations that, if they occurred at the same time in nature, could turn a strain of bird flu now circulating in China into a potential pandemic virus that could spread among people.

Jun 14 2017

Special Report: Cancer agency left in the dark over glyphosate evidence

LONDON When Aaron Blair sat down to chair a week-long meeting of 17 specialists at the International Agency for Research on Cancer in France in March 2015, there was something he wasn't telling them.

Jun 06 2017

Even moderate drinking linked to changes in brain structure, study finds

LONDON Drinking even moderate amounts of alcohol is linked to changes in brain structure and an increased risk of worsening brain function, scientists said on Tuesday.

May 18 2017

Scientists to test whether Zika can kill brain cancer cells

LONDON Scientists in Britain plan to harness the Zika virus to try to kill brain tumor cells in experiments that they say could lead to new ways to fight an aggressive type of cancer.

May 18 2017

Tackling Ebola outbreak in remote Congo presents huge challenge: WHO

LONDON An Ebola outbreak affecting up to 20 people in an extremely remote area in the Democratic Republic of Congo presents a high risk at a national level, the World Health Organization (WHO) said on Thursday.

May 17 2017

More than half of world's deaths still have no recorded cause: WHO

LONDON More than half of all deaths have no recorded cause, making effective health monitoring and policymaking far more difficult, the World Health Organization (WHO) said on Wednesday.

May 15 2017

WHO preparing authorization, logistics for Ebola vaccination in Congo if needed

LONDON The World Health Organization (WHO) said on Monday its experts have not yet decided whether to use newly developed vaccines to try to contain an outbreak of Ebola in Congo, but officials are making preparations just in case.

May 10 2017

In Europe, U.S., modern AIDS drugs add extra 10 years of life expectancy

LONDON Life expectancy for young HIV-positive adults has risen by 10 years in the United States and Europe thanks to improvements in AIDS drugs known as antiretroviral therapy, researchers said on Thursday.

Apr 27 2017

UK cancer fund was poor value and may have caused patient suffering

LONDON A special U.K. Cancer Drugs Fund (CDF) set up in 2010 spent over 1.2 billion pounds ($1.55 bln) but failed to deliver value for patients or society and may have caused unnecessary suffering, an analysis has found.

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