Origins of Covid-19 need to be investigated further, leading scientists say
3 years, 7 months ago

Origins of Covid-19 need to be investigated further, leading scientists say

Hindustan Times  

The origin of the novel coronavirus is still unclear and there is not yet enough evidence to say conclusively if it occurred naturally or was caused by a laboratory leak, a group of leading scientists said in a letter. The authors of the letter said the World Health Organization's initial investigation into the origins of the virus had not made a "balanced consideration" of the theory that it may have come from a laboratory incident. "More investigation is still needed to determine the origin of the pandemic," said the 18 scientists, including Ravindra Gupta, a clinical microbiologist at the University of Cambridge and Jesse Bloom, who studies the evolution of viruses at the Fred Hutchinson Cancer Research Center. "Theories of accidental release from a lab and zoonotic spillover both remain viable," the scientists including David Relman, professor of microbiology at Stanford, said in a letter to the journal Science. "We must take hypotheses about both natural and laboratory spillovers seriously until we have sufficient data," the scientists said, adding that an intellectually rigorous and dispassionate investigation needed to take place.

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History of this topic

Covid-19 Origins: Latest US Report Points To 'Wuhan Lab-Leak', Slams Mitigation Measures As Unscientific
2 weeks, 5 days ago

Covid-19 Origins: Latest US Report Points To 'Wuhan Lab-Leak', Slams Mitigation Measures As Unscientific

ABP News  

A US congressional subcommittee probing the origins of Covid-19 and the handling of the pandemic concluded its two-year investigation on the coronavirus pandemic on Monday. Wenstrup listed seven specific findings in his letter, including that the National Institutes of Health funded the controversial gain-of-function research at the Wuhan Institute of Virology, and that Operation Warp Speed was “tremendous success”, but …

Column: The COVID lab leak claim isn’t just an attack on science, but a threat to public health
4 months, 1 week ago

Column: The COVID lab leak claim isn’t just an attack on science, but a threat to public health

LA Times  

Dr. Anthony Fauci, then-director of the National Institute of Allergy and Infectious Diseases, responds to unfounded attacks on his integrity at a Senate hearing during the pandemic. — 41 scientists warn of the rise in anti-science disinformation “The lab leak narrative fuels mistrust in science and public health infrastructures,” the authors observe. Yet, scientists and public health professionals have been …

Covid-19 origin in more probability unnatural than natural, lab leak potential source: New study
9 months, 1 week ago

Covid-19 origin in more probability unnatural than natural, lab leak potential source: New study

Hindustan Times  

Originally designed to distinguish between natural epidemics and deliberate biological attacks, researchers modified the Grunow-Finke Tool by tweaking the criteria to determine the likelihood of the nature of the pandemic's origin. The researchers at the University of New South Wales, Australia, assigned points from one to three to each criterion based on available evidence collected from literature and case data …

COVID-19: Why we're looking for the pandemic's origin
9 months, 1 week ago

COVID-19: Why we're looking for the pandemic's origin

Hindustan Times  

Discovering COVID's origin will shape the next pandemic. Some experts say it's possible that the Wuhan lab had progenitor strains — ancestors — of SARS-CoV-2, but China's alleged withholding information on the origin of COVID makes this impossible to prove or disprove. "Every form of the lab leak theory involves some sort of cover up, which to me means that …

Revealed: US and China sought to create virus in 2018 similar to Covid
11 months ago

Revealed: US and China sought to create virus in 2018 similar to Covid

Daily Mail  

Bombshell new documents shed light on a shady 2018 project between US and Chinese scientists to create a novel virus with the same rare features seen in Covid. In initial proposals for DEFUSE, the lab work was to be done in a biosafety-level 2 lab, which researchers said would appeal to federal grant-makers as 'highly cost effective' despite the fewer …

COVID-19 origins remain a mystery, declassified report shows
1 year, 5 months ago

COVID-19 origins remain a mystery, declassified report shows

LA Times  

Security personnel gather near the entrance of the Wuhan Institute of Virology during a visit by a team from the World Health Organization in 2021. U.S. intelligence agencies weren’t able to determine whether researchers at laboratory in Wuhan, China, who fell sick in the fall of 2019 were infected with the coronavirus that causes COVID-19, the disease that soon spread …

Explained | A boost to the zoonoses theory regarding the origins of the SARS-CoV-2 virus
1 year, 9 months ago

Explained | A boost to the zoonoses theory regarding the origins of the SARS-CoV-2 virus

The Hindu  

The story so far: In the never-ending debate about the origin of the virus that set off the COVID-19 pandemic, there is now fresh grist for the mill for those who have held out for the zoonotic angle — that the infection skipped from animals to humans. Undisclosed genetic data from a food market in Wuhan has been unearthed and …

Finding COVID-19's origins is a moral imperative: WHO's Tedros
1 year, 9 months ago

Finding COVID-19's origins is a moral imperative: WHO's Tedros

The Hindu  

Discovering the origins of COVID-19 is a moral imperative and all hypotheses must be explored, the head of the World Health Organization said, in his strongest comments yet that the U.N. body remains committed to finding how the virus arose. "Understanding #COVID19's origins and exploring all hypotheses remains: a scientific imperative, to help us prevent future outbreaks a moral imperative, …

Opinion: I called for more research on the COVID ‘lab leak theory.’ Here’s what I found out
1 year, 9 months ago

Opinion: I called for more research on the COVID ‘lab leak theory.’ Here’s what I found out

LA Times  

Security guards stand in front of the closed Huanan Seafood Wholesale Market in Wuhan on Jan. 11, 2020, the day Chinese authorities said a 61-year-old man had died from a respiratory illness believed to have been caused by the novel coronavirus. I tabled all my other research to try to falsify the hypothesis that the pandemic began at one of …

Emails show Dr. Fauci commissioned a February 2020 paper to disprove COVID leaked from a Wuhan lab
1 year, 9 months ago

Emails show Dr. Fauci commissioned a February 2020 paper to disprove COVID leaked from a Wuhan lab

Daily Mail  

Dr Anthony Fauci commissioned and edited the report he cited to disprove the lab leak theory, House Republicans found Dr. Anthony Fauci commissioned a February 2020 paper to disprove the possibility that COVID originated in a lab — before publicizing the study at a White House news conference weeks later. Newly-released emails show that Dr. Anthony Fauci commissioned the report …

Come clean on Covid origins, says WHO as lab leak theory gains momentum
1 year, 9 months ago

Come clean on Covid origins, says WHO as lab leak theory gains momentum

India Today  

The WHO on Friday urged all countries to reveal what they know about the origins of Covid-19, following US claims of a Chinese lab leak and furious denials from Beijing. FBI director Christopher Wray told Fox News television on Tuesday that the US Federal Bureau of Investigation had now assessed the source of the Covid-19 pandemic was "most likely a …

Is it time to start believing in the COVID-19 ‘lab leak’ theory?
1 year, 9 months ago

Is it time to start believing in the COVID-19 ‘lab leak’ theory?

Firstpost  

COVID-19 killed 68 lakh people worldwide. The theory first hit headlines early on in the pandemic when former US president Donald Trump said that the virus originated from the Wuhan lab. “By rehashing the lab-leak theory, the US will not succeed in discrediting China, and instead, it will only hurt its own credibility,” said China foreign ministry spokeswoman Mao Ning. …

Lab leak ‘most likely’ led to Covid pandemic, FBI director says
1 year, 9 months ago

Lab leak ‘most likely’ led to Covid pandemic, FBI director says

The Independent  

Sign up for the daily Inside Washington email for exclusive US coverage and analysis sent to your inbox Get our free Inside Washington email Get our free Inside Washington email SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy FBI director Christopher Wray has said a laboratory leak in …

Covid-19 'most likely' leaked from Chinese government controlled lab in Wuhan, says FBI director
1 year, 9 months ago

Covid-19 'most likely' leaked from Chinese government controlled lab in Wuhan, says FBI director

Firstpost  

Washington: Covid-19 pandemic “most likely” originated from a Chinese government controlled lab in Wuhan, said FBI Director Christopher Wray. ‘Covid origin likely a potential lab incident in Wuhan’ In an interview to Fox News, Wray said: “The FBI has for quite some time now assessed that the origins of the pandemic are most likely a potential lab incident in Wuhan.” …

Covid 'most likely' leaked from China-controlled lab: FBI director's assertion
1 year, 9 months ago

Covid 'most likely' leaked from China-controlled lab: FBI director's assertion

Hindustan Times  

The Covid virus most likely leaked from a lab in Wuhan in China, FBI director Christopher Wray said. "The FBI has for quite some time now assessed that the origins of the pandemic are most likely a potential lab incident in Wuhan," Christopher Wray told Fox News in an interview. ”And that's unfortunate for everybody," he added, saying that the …

No government consensus on COVID lab leak theory, says White House
1 year, 9 months ago

No government consensus on COVID lab leak theory, says White House

Firstpost  

New Delhi: Even as the Department of Energy determined that a lab leak was the most likely cause of the COVID-19 pandemic, the White House has downplayed and refused to acknowledge this information, claiming that there is still no government consensus on the origins of the outbreak. “The intelligence community and the rest of the government is still looking at …

‘No conclusion on Covid origin theory’: White House on lab leak report
1 year, 9 months ago

‘No conclusion on Covid origin theory’: White House on lab leak report

Live Mint  

A day after the US Department of Energy said the coronavirus pandemic likely arose from a Chinese laboratory leak, the White House on Monday asserted that there is no definitive conclusion on the origin of Covid-19, according to the news agency ANI. Speaking to media persons at a daily White House news conference, National Security Council Coordinator for Strategic Communications …

Coronavirus origins still a mystery 3 years into pandemic
1 year, 9 months ago

Coronavirus origins still a mystery 3 years into pandemic

Associated Press  

WASHINGTON — A crucial question has eluded governments and health agencies around the world since the COVID-19 pandemic began: Did the virus originate in animals or leak from a Chinese lab? “There is just not an intelligence community consensus.” The DOE’s conclusion was first reported over the weekend in the Wall Street Journal, which said the classified report was based …

The latest in the COVID 'lab leak' theory: What we know and don't know about the origins of the pandemic
1 year, 9 months ago

The latest in the COVID 'lab leak' theory: What we know and don't know about the origins of the pandemic

Firstpost  

Washington: The US Energy Department’s conclusion, with “low confidence,” that an accidental laboratory leak in China most likely caused the coronavirus pandemic has renewed questions about what sparked the worst public health crisis in a century — and whether the virus at the heart of it was somehow connected to scientific research. Scientists who have studied the genetics of the …

Science 'should not be politicised': China rejects US report's lab-leak theory on COVID-19 origin
1 year, 9 months ago

Science 'should not be politicised': China rejects US report's lab-leak theory on COVID-19 origin

Firstpost  

Beijing: China on Monday rejected a new US report that claims the COVID-19 virus may have leaked from a bio laboratory in Wuhan, saying the origins-tracing of the pandemic “is about science and should not be politicised.” Foreign Ministry spokesperson Mao Ning said the international experts have considered the theory that the pandemic might have leaked from a Chinese laboratory …

Lab-leak theory: What the evidence actually says now.
1 year, 9 months ago

Lab-leak theory: What the evidence actually says now.

Slate  

On Feb. 26, the Wall Street Journal ran a story that looked, at first glance, like a bombshell: “Lab Leak Most Likely Origin of Covid-19 Pandemic, Energy Department Now Says.” So, did something big just happen? But we do know that the DOE has “low confidence” in its assessment that the virus came from a lab, as the WSJ reported, …

Animal origins or lab leak? How Covid started remains a mystery after 3 years
1 year, 9 months ago

Animal origins or lab leak? How Covid started remains a mystery after 3 years

India Today  

A crucial question has eluded governments and health agencies around the world since the Covid-19 pandemic began: Did the virus originate in animals or leak from a Chinese lab? “There is just not an intelligence community consensus.” The DOE’s conclusion was first reported over the weekend in the Wall Street Journal, which said the classified report was based on new …

Coronavirus origins still a mystery 3 years into pandemic
1 year, 9 months ago

Coronavirus origins still a mystery 3 years into pandemic

The Independent  

For free real time breaking news alerts sent straight to your inbox sign up to our breaking news emails Sign up to our free breaking news emails Please enter a valid email address Please enter a valid email address SIGN UP I would like to be emailed about offers, events and updates from The Independent. “There is just not an …

U.S. agency says COVID came from “lab leak”, China slams “smear”
1 year, 9 months ago

U.S. agency says COVID came from “lab leak”, China slams “smear”

The Hindu  

China on Monday accused the United States of “smearing” the country and “politicising” scientific research, after a government agency in Washington published a report concluding that the COVID-19 pandemic likely began from a laboratory accident. A classified intelligence report recently provided to the White House and members of Congress, reported The Wall Street Journal on Monday, said the U.S. Energy …

After FBI, US Energy Dept Says Lab Leak Likely Led to Covid-19 Pandemic
1 year, 9 months ago

After FBI, US Energy Dept Says Lab Leak Likely Led to Covid-19 Pandemic

News 18  

The US Energy Department in a report concluded that the Covid-19 pandemic most likely happened due to laboratory leak, the Wall Street Journal reported citing a classified intelligence report which was given to the White House and key members of the US Congress. According to the report, different parts of the intelligence community have differing opinions on the origin of …

US agency believes COVID-19 likely emerged from lab leak in China, say reports
1 year, 9 months ago

US agency believes COVID-19 likely emerged from lab leak in China, say reports

Firstpost  

Washington: The coronavirus pandemic likely arose from a Chinese laboratory leak, the US Department of Energy now says according to media, although the White House maintained Sunday that American intelligence remained divided on the issue. The determination – noted in a classified report by Director of National Intelligence Avril Haines’s office, The Wall Street Journal reported – marks a shift …

US says Chinese lab leak most likely caused Covid-19: Report
1 year, 9 months ago

US says Chinese lab leak most likely caused Covid-19: Report

Hindustan Times  

The coronavirus pandemic likely arose from a Chinese laboratory leak, the US Department of Energy now says according to media, although the White House maintained Sunday that American intelligence remained divided on the issue. The determination -- noted in a classified report by Director of National Intelligence Avril Haines's office, The Wall Street Journal reported -- marks a shift by …

Column: Contrary to latest claims, there’s still not a speck of evidence that COVID escaped from a Chinese lab
1 year, 9 months ago

Column: Contrary to latest claims, there’s still not a speck of evidence that COVID escaped from a Chinese lab

LA Times  

A street in Wuhan, China, is shown during the 2020 lockdown. This zombie theory got another shot of life-giving plasma this weekend from the Wall Street Journal, which reported that the Department of Energy “has concluded that the COVID pandemic most likely arose from a laboratory leak.” The Journal also reported, however, that the agency “made its judgment with ‘low …

China rejects US lab-leak theory news report on Covid-19 origin
1 year, 9 months ago

China rejects US lab-leak theory news report on Covid-19 origin

India Today  

China on Monday rejected a new US report that claims the Covid-19 virus may have leaked from a bio laboratory in Wuhan, saying the origins-tracing of the pandemic "is about science and should not be politicised." The USDE has assessed in the intelligence report that it had “low confidence” that the Covid-19 virus accidentally escaped from a lab in Wuhan, …

US claims Covid likely emerged from China laboratory leak: Report
1 year, 9 months ago

US claims Covid likely emerged from China laboratory leak: Report

Live Mint  

The coronavirus pandemic likely arose from a Chinese laboratory leak, the US Department of Energy now says according to media, although the White House maintained Sunday that American intelligence remained divided on the issue. The determination -- noted in a classified report by Director of National Intelligence Avril Haines's office, The Wall Street Journal reported -- marks a shift by …

It’s confirmed! China Lab leak triggered Covid pandemic, but was it an accident?
1 year, 9 months ago

It’s confirmed! China Lab leak triggered Covid pandemic, but was it an accident?

Live Mint  

The coronavirus pandemic most likely was caused by a leak in a Chinese laboratory, a classified intelligence report of the US Energy Department has revealed, according to the Wall Street Journal. This report nonetheless, affirms that the covid pandemic was a leak, an accident and not part of Chinese biological-weapons program, the people who have read the classified report said …

WHO has not abandoned COVID-19 origin investigation
1 year, 10 months ago

WHO has not abandoned COVID-19 origin investigation

The Hindu  

On February 14, Nature News reported that the World Health Organization has “shelved the second phase” of COVID-19 origin investigation “citing ongoing challenges over attempts to conduct crucial studies in China”. Two years after the WHO’s visit to China to investigate the origin of COVID-19, the WHO has “abandoned” the second phase of the investigation, it said and quoted WHO’s …

COVID “lab-leak” debate: Three years in, it’s unresolved. That’s OK.
1 year, 10 months ago

COVID “lab-leak” debate: Three years in, it’s unresolved. That’s OK.

Slate  

On Jan. 30, 2020, Republican Sen. Tom Cotton addressed military leaders at a Senate Armed Services Committee hearing and presented a startling idea. But right from the start, the “debate” itself was peculiar: It was justified by the hope that identifying the origins of COVID-19 would help us better prepare for future public health threats. And a 2016 survey of …

COVID was man-made virus, says Scientist who worked at Wuhan lab
2 years ago

COVID was man-made virus, says Scientist who worked at Wuhan lab

Deccan Chronicle  

New Delhi: In what appears to be an astonishing revelation, a US-based scientist, who worked at a controversial research lab in China's Wuhan, has said that COVID-19 was a "man-made virus" that leaked from the facility. COVID was leaked from Wuhan Institute of Virology, a state-run and funded research facility, two years ago, the New York Post reported, quoting US-based …

COVID-19 origin theories: Was there a lab leak in Wuhan or the US?
2 years, 1 month ago

COVID-19 origin theories: Was there a lab leak in Wuhan or the US?

Firstpost  

While the Wuhan lab leak theory is in vogue in some quarters, others are pointing the finger at the US. Let’s take a look at the different theories about the origins of COVID-19 Wuhan lab leak hypotheses This, of course, is the origin theory in vogue in some quarters. “The available evidence appears to be inconsistent with both historic precedent …

Covid a result of China 'lab leak’, hints US Senate report
2 years, 1 month ago

Covid a result of China 'lab leak’, hints US Senate report

Hindustan Times  

Republicans in the US Senate on Thursday presented a report on how Covid-19 virus could have started from a laboratory leak, although underscoring that the findings still lack indisputable evidence. The report is seen as an attempt by the Republican party to pressurise the Biden administration and congressional Democrats to take the Covid virus lab leak theory more seriously, reported …

How did COVID-19 start? Another report supports ‘Lab Leak’ theory
2 years, 1 month ago

How did COVID-19 start? Another report supports ‘Lab Leak’ theory

Live Mint  

It seems like everyone has an opinion on how COVID-19 came to exist. Republicans in the US Senate who looked into the origin of the virus speculate that COVID-19 might have originated from a lab leak, however they stress that there isn't conclusive proof of this. It’s concerning since the lab leak theory is “not motivated by scientific fact”, said …

Report authored by disgraced Peter Daszak says animal to human transmission was most likely scenario
2 years, 2 months ago

Report authored by disgraced Peter Daszak says animal to human transmission was most likely scenario

Daily Mail  

A report co-authored by disgraced scientist Dr Peter Daszak has claimed there is ‘no evidence’ Covid was created in a laboratory. A leaked email from 2020 showed Dr Daszak seeming to express gratitude to Dr Fauci for downplaying the theory that the Covid-19 was created in a lab in Wuhan, China Dr Daszak is considered a potential orchestrator of the …

Lancet report claiming Covid could have come from US lab prompts anger
2 years, 2 months ago

Lancet report claiming Covid could have come from US lab prompts anger

The Independent  

The latest headlines from our reporters across the US sent straight to your inbox each weekday Your briefing on the latest headlines from across the US Your briefing on the latest headlines from across the US SIGN UP I would like to be emailed about offers, events and updates from The Independent. The Commission report measured 58 pages and included …

New studies bolster theory coronavirus emerged from the wild
2 years, 4 months ago

New studies bolster theory coronavirus emerged from the wild

Associated Press  

Two new studies provide more evidence that the coronavirus pandemic originated in a Wuhan, China market where live animals were sold – further bolstering the theory that the virus emerged in the wild rather than escaping from a Chinese lab. “I was quite convinced of the lab leak myself until we dove into this very carefully and looked at it …

Covid virus likely leaked from Wuhan lab: WHO chief Tedros Ghebreyesus
2 years, 6 months ago

Covid virus likely leaked from Wuhan lab: WHO chief Tedros Ghebreyesus

India TV News  

Highlights Most likely explanation for Covid was a catastrophic accident at laboratory in Wuhan, says WHO chief Publicly, the UN health agency maintains that "all hypotheses remain on the table" At the beginning of the Covid, WHO was criticised for its deferential approach to China Just days after saying that the Covid lab leak theory needs "further investigations", the World …

China calls COVID ‘lab leak’ theory a lie after WHO report
2 years, 6 months ago

China calls COVID ‘lab leak’ theory a lie after WHO report

Associated Press  

BEIJING — China on Friday attacked the theory that the coronavirus pandemic may have originated as a leak from a Chinese laboratory as a politically motivated lie, after the World Health Organization recommended in its strongest terms yet that a deeper probe is needed into whether a lab accident may be to blame. “The lab leak theory is totally a …

China calls Covid 'lab leak' theory a lie after WHO report
2 years, 6 months ago

China calls Covid 'lab leak' theory a lie after WHO report

India Today  

China on Friday attacked the theory that the coronavirus pandemic may have originated as a leak from a Chinese laboratory as a politically motivated lie, after the World Health Organization recommended in its strongest terms yet that a deeper probe is needed into whether a lab accident may be to blame. Foreign Ministry spokesperson Zhao Lijian also rejected accusations that …

Covid origin mystery: WHO probe stalled, experts ‘allergic’ to lab theory
2 years, 6 months ago

Covid origin mystery: WHO probe stalled, experts ‘allergic’ to lab theory

Live Mint  

Another blow to two-year-long efforts to understand how Covid-19 began. Jean-Claude Manuguerra, a co-chair of the 27-member international advisory group, acknowledged that some scientists might be “allergic” to the idea of investigating the lab leak theory, but said they needed to be “open-minded” enough to examine it. He also accused WHO of “ colluding” with China to cover up the …

COVID origin | WHO says it’s unclear but lab leak theory needs study
2 years, 6 months ago

COVID origin | WHO says it’s unclear but lab leak theory needs study

The Hindu  

Over two years after the coronavirus was first detected in China, and after at least 6.3 million deaths have been counted worldwide from the pandemic, the World Health Organisation is recommending in its strongest terms yet that a deeper probe is required into whether a lab accident may be to blame. Yet in a report released on Thursday, WHO's expert …

COVID-19's origins obscured by lack of Chinese data, says WHO panel
2 years, 6 months ago

COVID-19's origins obscured by lack of Chinese data, says WHO panel

ABC  

The World Health Organization says its latest investigation into the origins of COVID-19 was inconclusive, largely because data from China is missing, another blow to its years-long effort to determine how the pandemic began. Key points: The WHO expert panel says all available data showed the novel coronavirus that causes COVID-19 likely came from bats They say missing data meant …

WHO: COVID origins unclear but lab leak theory needs study
2 years, 6 months ago

WHO: COVID origins unclear but lab leak theory needs study

Associated Press  

GENEVA — Over two years after the coronavirus was first detected in China, and after at least 6.3 million deaths have been counted worldwide from the pandemic, the World Health Organization is recommending in its strongest terms yet that a deeper probe is required into whether a lab accident may be to blame. Yet in a report released Thursday, WHO’s …

WHO: Covid origins unclear, but lab leak theory needs study
2 years, 6 months ago

WHO: Covid origins unclear, but lab leak theory needs study

India Today  

An expert group drafted by the World Health Organisation to help investigate the origins of the coronavirus pandemic says further research is needed to determine how Covid-19 first began, including a more detailed analysis of the possibility it was a laboratory accident. In a report released Thursday, WHO's expert group said “key pieces of data” to explain how the pandemic …

COVID origins: WHO ‘open to any and all scientific evidence’
2 years, 6 months ago

COVID origins: WHO ‘open to any and all scientific evidence’

Al Jazeera  

UN health agency says latest investigation into origins of COVID-19 was inconclusive and more research must be done, including the possibility of a laboratory accident. That stance by the World Health Organization expert group marks a sharp reversal of the UN health agency’s initial assessment of the pandemic’s origins, when it concluded last year it was “extremely unlikely” that COVID-19 …

COVID-19 origins unclear, but lab leak theory needs study, WHO says
2 years, 6 months ago

COVID-19 origins unclear, but lab leak theory needs study, WHO says

LA Times  

A worker in protective gear walks outside the Wuhan Central Hospital in China in February 2021. The scientists said the group would “remain open to any and all scientific evidence that becomes available in the future to allow for comprehensive testing of all reasonable hypotheses.” Identifying a disease’s source in animals typically takes years; it took about 15 years for …

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