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Exposure to each small (1 gram per cubic meter) increase in long-term fine inhalable particle (PM2.5) was associated with an 8 percent increase in mortality during the pandemic. Pixabay

Increased levels of air pollution can have detrimental effects on people suffering from SARS-CoV-2, the virus that causes Covid-19, revealed a review of multiple studies. Exposure to each small (1 gram per cubic meter) increase in long-term fine inhalable particle (PM2.5) was associated with an 8 percent increase in mortality during the pandemic, said researchers in the commentary, published online in the journal Annals of the American Thoracic Society.

The team, led by Stephen Andrew Mein, from the Department of Medicine at Beth Israel Deaconess Medical Centre in Boston, US, examined published research that discussed whether air pollution may be linked to worse Covid-19 outcomes, as well the relationship between pollution, respiratory viruses, and health disparities.


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They found that air pollution contributed to 15 percent of Covid-19 mortality worldwide. Exposure to ambient air pollution — harmful pollutants, such as small particles and toxic gases, emitted by industries, households, cars, and trucks — was found to worsen viral respiratory infections.

“The Covid-19 pandemic has highlighted the widespread health consequences of ambient air pollution, including acute effects on respiratory immune defenses and chronic effects that lead to a higher risk of chronic cardiopulmonary disease and acute respiratory distress syndrome (ARDS),” Mein said.


Increased levels of air pollution can have detrimental effects on people suffering from SARS-CoV-2, the virus that causes Covid-19, revealed a review of multiple studies. Pixabay

These chronic health effects likely explain the higher Covid-19 mortality among those exposed to more air pollution. Earlier, a study led by German researchers found that elevated levels of nitrogen dioxide in the air may be associated with a high number of deaths from novel coronavirus (Covid-19).

Similar findings by researchers at the Harvard University also noted that even a small increase in long-term exposure to PM2.5, or particulate matter with a diameter of 2.5 micrometres or less, can lead to a large increase in the death rate from Covid-19. While the exact mechanisms are not fully known, scientists suggest that long-term exposure to air pollution may impair the immune system, leading to both increased susceptibility to viruses and more severe viral infections.

ALSO READ: How Air Pollution May Rise Up CVD Risk

It is also associated with higher rates of heart disease and metabolic disorders such as diabetes, a known risk factor for severe disease and death from Covid-19. The findings highlight the urgent need to address the global problem of air pollution through sustainable local and national policies to improve respiratory health and equity worldwide. (IANS/JC)


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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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