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Utah reports more than 600 measles cases as outbreak spreads across US

vaccination rates. The situation has also been further complicated by the [spread of misinformation](https://www.theguardian.com/us-news/2025/dec/19/rfk-jr-anti-vaccine-group-measles-outbreak). Robert F Kennedy Jr

RFK Jr faces intense questions in US Senate on measles and flu deaths

Robert F Kennedy Jr](https://www.theguardian.com/us-news/robert-f-kennedy-jr), faced intense questioning from several US senators on Wednesday during a hearing largely focused on how the administration has responded to the [measles outbreak](https://www.theguardian.com/society/mmr)

RFK Jr accused of ‘dangerous conspiracy theories’ at heated budget hearing

Robert F Kennedy Jr](https://www.theguardian.com/us-news/robert-f-kennedy-jr) on Thursday before the US House ways and means committee. Kennedy, the controversial health secretary and a longtime vaccine opponent, has overseen sweeping changes to routine vaccination recommendations

‘Uncharted territory’: uncertainty as US vaccine guidance falls apart under Trump

Robert F Kennedy Jr](https://www.theguardian.com/us-news/robert-f-kennedy-jr), the secretary of the US Department of Health and Human Services (HHS) and a longtime vaccine opponent. Brian Murphy, a US district court judge, issued a stay