A year ago, more than 200 virus gene sequences initially in Wuhan suddenly were required to delete from the online science database.

Jesse Bloom, a virusist at the Fred Hutchinson Cancer Research Center in Seattle, said it recovered 13 genes of them by turning the data stored on Google Cloud.

Bloom data announced on June 22 to bring new information to determine the time and how NCOV viruses transmit from falling or other animals to humans.

Although new information does not affect the leaked virus hypothesis from the laboratory that the Joe Biden government is investigating, it raises the question why the original gene sequences are deleted.

Bloom See the Delete the gene sequence is a suspicious action.

The viral gene sequence holds important clues about how NCOV transmitted from animals, possibly bats, to humans.

Doctor at Trung Nam Hospital of Wuhan University in January 1/2020.

When Bloom considers gene data published by many other research groups, he saw a study in March 2020 with documentation on 241 gene sequences collected by Wuhan University scientists.

But when Bloom looks for that gene data earlier this month, the result he received from Sequence Read Archive is not to find any folder.

In the study, scientists written considering 45 nasal translation samples from outpatient patients suspected NCOV infection in the epidemic period.

Bloom then detects many gene sequences of which are stored as a file on Google Cloud.

With new data, Bloom is trying to learn the first phase of the pandemic.

Virus patterns are taken from a male seafood market, which are related to the first cases discovered in December 2019, there are mutations that virus patterns are collected a few weeks later without.

This makes Bloom believe before spreading to Hoa Nam Seamer Market, NCOV has circulated for a while in Wuhan.

Michael Worobey, an evolutionary biologist at the University of Arizona, said he and his colleagues are conducting a great study of NCOV's gene to find out the origin of Covid-19.

Additional data will play a big role in that effort, Worobey said.

Hoa Nam Seamer Market in Wuhan City, China in January 2020.

It is unclear why the information file about the gene sequence is deleted from SRA.

NCOV sequences are posted on SRA in March 2020 and then requested by the submitter requested to removed in June 2020, Renate Myles, a spokesman for the National Health Institute.

Myles said SRA managers were then informed that gene sequences are being updated and will be added to another database.

You cannot say why they are removed, Bloom admitted.

He added that the Chinese government also asked to destroy some initial viruses.

Dr. Worobey hopes to receive answers.

13 Gene sequences discovered made Bloom wonder if scientists can detect other clues on online databases.