The Trump administration has replaced Covid.gov – a website that once provided Americans with access to information about free tests, vaccines, treatment and secondary conditions such as long Covid – with a treatise on the “lab leak” theory.

The site includes intense criticism of Dr Anthony Fauci, who helmed national Covid policies under Donald Trump and Joe Biden, the World Health Organization (WHO) and state leadership in New York.

“This administration prioritizes transparency over all else,” according to a senior administration quoted in Fox News, in spite of evidence to the contrary. “The American people deserve to know the truth about the Covid pandemic and we will always find ways to reach communities with that message.”

The origin of the SARS-CoV2 virus has been hotly debated since the pandemic emerged from Wuhan, China, and swept the world in early 2020. At the heart of the debate is whether a lab that studied coronaviruses in Wuhan leaked the virus unintentionally, or if it was part of a natural “spillover” event that took place at a nearby market that sold produce, fish, meat and live exotic animals.

The Wuhan Institute of Virology was funded in part by the US government through the National Institutes of Health (NIH), a fact that has added to controversy. Joe Biden pardoned Fauci for fear he would be attacked during the incoming Trump administration.

Although definitive answers about the virus’s beginnings are elusive and may never be known, scientists have argued as recently as August 2024 in the Journal of Virology that, while they remain open-minded, the weight of evidence favors a spillover event.

Spillover events are thought to have started at least two other pandemics in recent human history, including the Sars-CoV-1 outbreak in China in 2003 and the 1918 influenza pandemic, which is believed to have started in the American midwest by human-pig contact. Notably, many scientists are concerned about H5N1 transmission among birds and dairy cows in the US because of its potential to infect humans.

Meanwhile, the “lab leak” theory has received high-profile support from pundits and in the media, particularly in right-leaning circles. It has become the subject of Republican-led hearings, rationale for punishing leaders such as Fauci and defunding scientific institutions such as the NIH.

“NIH’s procedures for funding and overseeing potentially dangerous research are deficient, unreliable, and pose a serious threat to both public health and national security,” the Trump administration’s new website argues.

“Further, NIH fostered an environment that promoted evading federal record keeping laws,” the website argues.

Messenger RNA technology, which powered Covid-19 vaccines and led to their swift development under the first Trump administration, has also come under attack. Many leading critics of the government’s initial approach to Covid-19 now have leadership roles in the new Trump administration – including the health secretary and longtime vaccine skeptic, Robert F Kennedy Jr, and Dr Jay Bhattacharya, who now leads the NIH.