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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

US ‘drowning in misinformation’ under RFK Jr, autism advocates say

Misinformation from top health officials in the [Trump administration](https://www.theguardian.com/us-news/trump-administration) has created a “crisis of public trust” – and Congress should conduct oversight hearings and possibly impeach officials such as [Robert F Kennedy Jr

‘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

‘People should be talking about it’: moves to curtail vaccine information obscures important science, doctors say

misinformation” at the National Institutes of Health (NIH). The decisions threaten the reputations of US health agencies and the public’s trust in science and policy – and the surrounding tumult threatens to obscure important information