Robert F Kennedy Jr's family calls his views on vaccines 'tragically wrong' in ...

Three members of Robert F Kennedy Jr's family have slammed his views on vaccines, calling them 'tragically wrong'.  

Kennedy Jr, the son of late Attorney General Robert F Kennedy and nephew of late President John F Kennedy, is a prominent anti-vaccine activist and has advocated that parents should choose whether or not they want their children immunized. 

His siblings, Kathleen Kennedy Townsend and Joseph P Kennedy II, and his niece, Maeve Kennedy McKean, authored an op-ed in Politico Magazine on Wednesday citing the rise of measles in the US. 

'Robert F Kennedy Jr - Joe and Kathleen's brother and Maeve's uncle - is part of this campaign to attack the institutions committed to reducing the tragedy of preventable infectious diseases,' they wrote.

'He has helped to spread dangerous misinformation over social media and is complicit in sowing distrust of the science behind vaccines.'

Three members of prominent anti-vaccine activist Robert F Kennedy Jr's family attacked his views on vaccines in an op-ed in Politico Magazine and called them 'tragically wrong'. Pictured: Kennedy Jr in Beverly Hills, California, in March 2019

Three members of prominent anti-vaccine activist Robert F Kennedy Jr's family attacked his views on vaccines in an op-ed in Politico Magazine and called them 'tragically wrong'. Pictured: Kennedy Jr in Beverly Hills, California, in March 2019

His siblings, Kathleen Kennedy Townsend (pictured, June 2018) and Joseph P Kennedy II, and his niece, Maeve Kennedy McKean, accused him of spreading misinformation about vaccines

They warned that spreading misinformation could have ''heartbreaking - and deadly -consequences'. Pictured: Kennedy McKean, December 2018

His siblings, Kathleen Kennedy Townsend (left) and Joseph P Kennedy II, and his niece, Maeve Kennedy McKean (right), accused him of spreading misinformation about vaccines and warned that it could have 'heartbreaking - and deadly -consequences'

In the op-ed, Kennedy's family members praised his work of cleaning and fighting against water pollution.

But they called his views on vaccines 'wrong' and said that his spreading of misinformation was could have 'heartbreaking - and deadly - consequences'.

On Monday, federal health officials revealed that a total of 764 people in 23 states have been sickened by the measles, the highest number since the virus was deemed 'eliminated' in 2000. 

In New York City alone, the caseload is 466 since the outbreak began in October 2018, mostly among Orthodox Jewish communities.  

'These tragic numbers are caused by the growing fear and mistrust of vaccines - amplified by

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