Dr Andrew Wakefield (L) and his wife Carmel receive flowers as they leave the General Medical Council in London July 16, 2007. Wakefield, the British doctor who sparked a health scare by suggesting a childhood vaccine against measles, mumps and rubella is linked to autism, faced a hearing on Monday into charges of professional misconduct during his research. REUTERS/Kieran Doherty (BRITAIN) 

Palestinian students hold up posters of the Measles, Mumps and Rubella (MMR) vaccination at their school in Mnezel village, south of the West Bank city of Hebron, May 12, 2005. The MMR vaccination aims to protect 1,200,000 Palestinians from the disease in the north of the West Bank, the Palestinian Health Ministry said. 

Palestinian students hold up posters of the Measles, Mumps and Rubella (MMR) vaccination at their school in Mnezel village, south of the West Bank city of Hebron, May 12, 2005. The MMR vaccination aims to protect 1,200,000 Palestinians from the disease in the north of the West Bank, the Palestinian Health Ministry said. REUTERS/Nayef Hashlamoun NH/GOT 

Britain's Chief Medical Officer Sir Liam Donaldson (R) speaks at a news
conference with Professor Sian Griffiths - President of the Faculty of
Public Health Medicine at the Department of Health, February 7, 2002 in
London. Britain's Prime Minister Tony Blair is coming under increasing
pressure to say whether his baby son Leo has been given the Measles,
Mumps and Rubella vaccine (MMR) amid growing fears a drop in the number
of children having the jab might spark a measles epidemic.
REUTERS/Stephen Hird

PS 

Britain's Chief Medical Officer Sir Liam Donaldson speaks at a news
conference at the Department of Health February 7, 2002 in London.
Britain's Prime Minister Tony Blair is coming under increasing pressure
to say whether his baby son Leo has been given the Measles, Mumps and
Rubella vaccine (MMR) amid growing fears a drop in the number of
children having the jab might spark a measles epidemic. REUTERS/Stephen
Hird

PS 

Britain's Chief Medical Officer Sir Liam Donaldson speaks at a news
conference at the Department of Health February 7, 2002 in London.
Britain's Prime Minister Tony Blair is coming under increasing pressure
to say whether his baby son Leo has been given the Measles, Mumps and
Rubella vaccine (MMR) amid growing fears a drop in the number of
children having the jab might spark a measles epidemic. REUTERS/Stephen
Hird

PS/WS