Former top US infectious disease official Anthony Fauci repeatedly invoked his Fifth Amendment right against self-incrimination before a sharply divided Senate Homeland Security and Governmental Affairs Committee on Wednesday, as Republican lawmakers revived allegations over US-funded coronavirus research at China's Wuhan Institute of Virology and pressed for answers on the origins of the Covid-19 pandemic.

How the Hearing Unfolded

The session quickly turned into a fierce partisan confrontation. Committee Chairman Senator Rand Paul accused Fauci of helping fund 'dangerous gain-of-function research' in Wuhan and later announced the committee would consider holding him in contempt of Congress for refusing to answer questions despite appearing under subpoena.

Fauci, who led the National Institute of Allergy and Infectious Diseases (NIAID) for nearly four decades, opened by noting he had testified before Congress 'well over 200 times' during his career. He said Paul's repeated calls for his prosecution left him with 'the only conclusion' that the hearing was designed to pressure him into saying 'something, anything' to support those efforts.

'Under the advice of my attorneys, I will invoke my right under the Fifth Amendment of the Constitution to refrain from answering your questions,' Fauci said at the outset.

Fifth Amendment Invoked Across Hours of Questioning

Throughout several hours of questioning, Fauci responded to virtually every query with the same statement: 'On the advice of counsel, I respectfully decline to answer based upon my rights under the Fifth Amendment of the Constitution.'

Paul questioned Fauci extensively about US funding for coronavirus research in Wuhan, the laboratory-origin theory, gain-of-function research, federal record-keeping, and a presidential pardon issued to Fauci before the previous administration left office. The Kentucky Republican argued that intelligence agencies — including the CIA, FBI, and Department of Energy — had concluded that a laboratory origin was more likely than a natural one, and pressed Fauci to explain decisions made during his tenure.

Contempt Vote Threatened

After Fauci repeatedly declined to answer, Paul announced the committee would vote the following week on a resolution recommending he be held in contempt of Congress. 'We had hoped to hear testimony from Anthony Fauci today. We haven't,' Paul said at the close of the hearing. 'I really did want to hear from Doctor Fauci. I wanted to hear perhaps an apology.'

Democrats Push Back

Democrats on the committee strongly criticised the proceedings as politically motivated. Ranking Member Senator Gary Peters said the hearing represented 'a sharp departure' from the committee's bipartisan tradition and accused Republicans of pursuing 'a predetermined conclusion.' He argued Congress should instead focus on preparing for future pandemics and strengthening public health infrastructure.

Several Democratic senators praised Fauci's decades of public service and defended his decision to invoke constitutional protections. Republicans countered that his refusal prevented the committee from examining decisions made during the pandemic.

Broader Context: Covid Origins Still Unresolved

The hearing underscored how deeply divided Washington remains over the US response to Covid-19, more than six years after the pandemic began. Questions surrounding the origins of SARS-CoV-2, the role of the Wuhan Institute of Virology, and the risks of gain-of-function research continue to be debated by governments, intelligence agencies, and scientists worldwide. Notably, no international consensus has been reached on the virus's origin. With a contempt vote looming and partisan lines hardening, the political reckoning over pandemic-era decisions is far from over.