World No Closer to Answer on COVID Origins Despite WHO Probe - Expert

A logo is pictured on the headquarters of the World Health Orgnaization (WHO) in Geneva, Switzerland, June 25, 2020. REUTERS/Denis Balibouse/File Photo
A logo is pictured on the headquarters of the World Health Orgnaization (WHO) in Geneva, Switzerland, June 25, 2020. REUTERS/Denis Balibouse/File Photo
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World No Closer to Answer on COVID Origins Despite WHO Probe - Expert

A logo is pictured on the headquarters of the World Health Orgnaization (WHO) in Geneva, Switzerland, June 25, 2020. REUTERS/Denis Balibouse/File Photo
A logo is pictured on the headquarters of the World Health Orgnaization (WHO) in Geneva, Switzerland, June 25, 2020. REUTERS/Denis Balibouse/File Photo

Despite a high-profile visit to China by a team of international experts in January, the world is no closer to knowing the origins of COVID-19, according to one of the authors of an open letter calling for a new investigation into the pandemic.

"At this point we are no further advanced than we were a year ago," said Nikolai Petrovsky, an expert in vaccines at Flinders University in Adelaide, Australia, and one of 26 global experts who signed the open letter, published on Thursday.

In January, a team of scientists picked by the World Health Organization (WHO) visited hospitals and research institutes in Wuhan, the central Chinese city where the coronavirus was identified, in search of clues about the origins of COVID-19.

But the mission has come under fire, with critics accusing the WHO of relying too much on politically compromised Chinese fieldwork and data.

Team members also said China was reluctant to share vital data that could show COVID-19 was circulating months earlier than first recognized.

The open letter said the WHO mission "did not have the mandate, the independence, or the necessary accesses to carry out a full and unrestricted investigation" into all theories about the origins of COVID-19.

"All possibilities remain on the table and I have yet to see a single piece of independent scientific data that rules out any of them," said Petrovsky.

At a press briefing to mark the end of the WHO visit to Wuhan, mission head Peter Ben Embarek appeared to rule out the possibility that the virus leaked from a laboratory in Wuhan.

But Petrovsky said it "doesn't make any sense" to rule any possibility out, and said the aim of the open letter was "to get an acknowledgement globally that no one has yet identified the source of the virus and we need to keep searching."

"We need an open mind and if we close down some avenues because they are considered too sensitive, that is not how science operates," he said.



Russia Advances in Southern Ukraine, Defense Ministry Says 

Members of the National Police Special Purpose Battalion of Zaporizhzhia region fire a D-30 howitzer towards Russian troops on a front line, amid Russia's attack on Ukraine, in Zaporizhzhia region, Ukraine March 7, 2025. (Reuters)
Members of the National Police Special Purpose Battalion of Zaporizhzhia region fire a D-30 howitzer towards Russian troops on a front line, amid Russia's attack on Ukraine, in Zaporizhzhia region, Ukraine March 7, 2025. (Reuters)
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Russia Advances in Southern Ukraine, Defense Ministry Says 

Members of the National Police Special Purpose Battalion of Zaporizhzhia region fire a D-30 howitzer towards Russian troops on a front line, amid Russia's attack on Ukraine, in Zaporizhzhia region, Ukraine March 7, 2025. (Reuters)
Members of the National Police Special Purpose Battalion of Zaporizhzhia region fire a D-30 howitzer towards Russian troops on a front line, amid Russia's attack on Ukraine, in Zaporizhzhia region, Ukraine March 7, 2025. (Reuters)

Russian forces were on Monday advancing in southern Ukraine and had pierced part of the Ukrainian lines less than 50 km (31 miles) southeast of the city of Zaporizhzhia, according to Russian officials and pro-Russian military bloggers.

Reuters could not independently verify the assertions and there was no immediate comment from Ukraine.

Russia's Defense Ministry said in a statement that its forces had taken the village of Stepove in the Zaporizhzhia region, pushing through Ukrainian lines.

Yuri Podolyaka, one of the most influential pro-Russian military bloggers, said Russian forces had also smashed their way into the nearby village of Maly Shcherbaky.

"Our units have broken through the first line of defense in the Zaporizhzhia direction," Podolyaka said.

Russia on Sunday tried to drive the last Ukrainian soldiers from western Russia, after a seven-month incursion by Ukraine that aimed to distract Moscow's forces, gain a bargaining chip and rile President Vladimir Putin.