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SARS-CoV-2 infection is linked to certain blood groups. Pixabay

US researchers have claimed that blood group does not make a person vulnerable to Covid-19 infection nor does it increase the severity, debunking the earlier theories that SARS-CoV-2 infection is linked to certain blood groups. For the new study, researchers from the University of Utah included more than 11,000 individuals who were newly infected with SARS-CoV-2.

The findings, published in the journal JAMA Network Open, showed that the blood types A, B, AB, and O were not associated with disease susceptibility or severity. Compared with type O blood, type A was not associated with increased viral positivity, hospitalization, or ICU admission. Similarly, types B and AB were not associated with worse outcomes than type O.


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“Given the large and prospective nature of our study and its strong nil results, we believe that important associations of SARS-CoV-2 and Covid-19 with ABO groups are unlikely and will not be useful factors associated with disease susceptibility or severity on either an individual or population level for similar environments and ancestries,” said the research team led by Jeffrey Anderson, from the varsity’s School of Medicine in Salt Lake City.


The blood types A, B, AB and O were not associated with disease susceptibility or severity. Pixabay

Earlier, a report from China had suggested that blood group A was linked with increased susceptibility to SARS-CoV-2 infection, while blood group O was associated with reduced susceptibility. Another set of studies from Italy and Spain reported that blood group A was associated with an increased risk of severe Covid-19 and blood group O was associated with reduced risk.

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In contrast, a large Danish study implicated disease susceptibility but not severity. However, the results of studies from Boston, Massachusetts, and New York, did not confirm any specific associations between the ABO blood group and disease. These reports led to widespread interest in examining ABO blood groups as potential Covid-19 risk factors, researchers said.

“The smaller sample sizes and retrospective, observational nature of many prior studies, in addition to their striking heterogeneity of ABO associations with disease susceptibility and severity, could be due to chance variations, publication bias, differences in genetic background, geography and environment, and viral strains,” the researchers noted. (IANS/SP)


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Hackers have stolen crypto tokens worth $120 million from Blockchain-based decentralised finance (DeFi) platform BadgerDAO.

Hackers have stolen crypto tokens worth $120 million from Blockchain-based decentralised finance (DeFi) platform BadgerDAO. Several crypto wallets were drained before the platform could stop the cyber attack. In a tweet, Badger said it has received reports of unauthorised withdrawals of user funds. "As Badger engineers investigate this, all smart contracts have been paused to prevent further withdrawals. Our investigation is ongoing and we will release further information as soon as possible," the company said late on Thursday.

According to the blockchain security and data analytics Peckshield, the various tokens stolen in the attack are worth about $120 million, reports The Verge. According to reports, someone inserted a malicious script in the user interface (UI) of their website. Badger has retained data forensics experts Chainalysis to explore the full scale of the incident and authorities in both the US and Canada have been informed. "Badger is cooperating fully with external investigations as well as proceeding with its own," it said. DeFi is a collective term for financial products and services that are open, decentralised and accessible to anyone. DeFi products open up financial services to anyone with an internet connection and they are largely owned and maintained by their users. While the attack didn't reveal specific flaws within Blockchain tech itself, it managed to exploit the older "web 2.0" technology that most users need to use to perform transactions, according to reports. (IANS/ MBI)


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Kishan said that the organisers have been asked to strictly follow all Covid-19 protocols.

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Kishan said that the organisers have been asked to strictly follow all Covid-19 protocols. Also, those who are not vaccinated, will not be allowed without the negative RT-PCR test report, he added. "We have been informed by organisers that a total of 120 guests are invited to the wedding and the events will take place between December 7 to December 10," he added.

Earlier at 10.30 a.m., Kishan called a meeting which was attended by administrative, police and forest department officials, hotel and event managers to ensure adequate arrangements for crowd control, smooth regulation of traffic, and law and order situation amid the VIP movement. The wedding venue Fort Barwara, that has been converted into a heritage hotel, is situated in the panchayat samiti Chauth Ka Barwara. The venue is around 22 km away from Sawai Madhopur and is around 174 km from Jaipur. Sawai Madhopur district is famous for the Ranthambore National Tiger Reserve and as per reports, the guests are likely to be taken for a tiger safari. (IANS/ MBI)


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Dr Rakesh Mishra at the CCMB said on Friday that the consortium is continuously monitoring the situation in all the four cities and has upscaled its efforts to sequence as many samples as possible Apart from the CCMB and the NCBS, the consortium includes CSIR-Institute of Genomics and Integrative Biology - IGIB in New Delhi and the Pune Knowledge Cluster, Indian Institute of Science Education and Research (IISER), Pune, and CSIR-National Chemical Laboratory in Pune.

covid virus The first case of the Omicron variant was detected in South Africa and reported to the World Health Organization on November 24. | Unsplash

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