Infectious coronavirus particles found in hospital air add to mounting evidence of airborne transmission
4 years, 4 months ago

Infectious coronavirus particles found in hospital air add to mounting evidence of airborne transmission

Firstpost  

The significant concentrations of virus found in hospital aerosols highlight the need to follow precautions like improved ventilation, experts said. “It’s unambiguous evidence that there is infectious virus in aerosols.” A research team at the University of Florida succeeded in isolating live virus from aerosols collected at a distance of seven to 16 feet from patients hospitalized with COVID-19 — farther than the 6 feet recommended in social distancing guidelines. “It’s very hard to sample biological material from the air and have it be viable,” said Shelly Miller, an environmental engineer at the University of Colorado Boulder who studies air quality and airborne diseases. That may explain why the researchers found only 74 virus particles per litre of air, said John Lednicky, the team’s lead virologist at the University of Florida. “But that’s not a small thing.” Several experts noted that the distance at which the team found virus is much farther than the 6 feet recommended for physical distancing.

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History of this topic

Aerosol study shows how SARS-CoV-2 spreads
2 years, 6 months ago

Aerosol study shows how SARS-CoV-2 spreads

The Hindu  

The transmission of SARS-CoV-2 through the air has been studied at various places around the world. “Having separate COVID-19 wards and negative pressure rooms are good, because infection does not spread very far,” says Dr. Rakesh Mishra, Director, Tata institute for Genetics and Society, Bengaluru, who led the study. The group detected the virus when they sampled the air in …

Coronavirus is airborne, confirms study
2 years, 8 months ago

Coronavirus is airborne, confirms study

Deccan Chronicle  

HYDERABAD: Novel Coronavirus is airborne and you could contract it just by breathing infected air, even when you maintain social distancing, confirms a new study. They found that the virus could be frequently detected in air around Covid patients. We found that the positivity rate of finding the virus in air was 75 per cent when two or more Covid …

More evidence of airborne spread of COVID: study
2 years, 8 months ago

More evidence of airborne spread of COVID: study

The Hindu  

The SARS-CoV-2, which was earlier thought to spread through touching infected surfaces, has been found to be spreading airborne and more evidence is coming up in this regard, with epidemiologists also finding that countries that used masks were affected less severely by the pandemic. Scientists analysed the coronavirus’ genome content from air samples collected from different areas occupied by COVID …

Two years of COVID: The battle to accept airborne transmission
2 years, 9 months ago

Two years of COVID: The battle to accept airborne transmission

Al Jazeera  

In the early days of the pandemic, did health authorities get it wrong on airborne transmission? There has been this resistance from people in medical fields, agrees Prather, who says, “They’ve sort of dismissed our opinions.” One of the reasons for that has been the call from certain scientists in the medical field for randomised controlled trials, considered a gold …

SARS-CoV-2 RNA causing Covid-19 detected in tiny airborne particles inside and outside infected person's room: Study
2 years, 11 months ago

SARS-CoV-2 RNA causing Covid-19 detected in tiny airborne particles inside and outside infected person's room: Study

Hindustan Times  

A new study has detected tiny airborne particles containing RNA from the SARS-CoV-2 that causes Covid-19, both inside and outside of the rooms in which infected people were self-isolating at home. SARS-CoV-2 RNA causing Covid-19 detected in tiny airborne particles inside and outside infected person's room: Study The research has been published in the 'Annals of the American Thoracic Society …

Covid is airborne — but preventing airborne spread is perfectly doable. Here’s how to do it
2 years, 11 months ago

Covid is airborne — but preventing airborne spread is perfectly doable. Here’s how to do it

The Independent  

Sign up to our free Living Well email for advice on living a happier, healthier and longer life Live your life healthier and happier with our free weekly Living Well newsletter Live your life healthier and happier with our free weekly Living Well newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. …

Coronavirus Becomes 90% Less Infectious Within 20 Minutes of Being Airborne, Reveals UK Study
2 years, 11 months ago

Coronavirus Becomes 90% Less Infectious Within 20 Minutes of Being Airborne, Reveals UK Study

News 18  

A groundbreaking new study that attempts to find how the deadly coronavirus survives in exhaled air has revealed that the virus becomes 90 per cent less infectious within 20 minutes of becoming airborne therefore losing most of its ability to infect after the first five minutes. While conducting the study, the researchers developed an apparatus to generate virus-containing particles and …

Covid-19 virus evolving to get better at becoming airborne: Report
3 years, 3 months ago

Covid-19 virus evolving to get better at becoming airborne: Report

India Today  

The variants of SARS-CoV-2 are getting better at travelling through the air, and people must wear tight-fitting masks and ensure better ventilation, in addition to getting vaccinated, to help stop spread of the virus that causes Covid-19, according to a study. The study, published in the journal Clinical Infectious Diseases, also found that loose-fitting cloth and surgical masks reduced the …

Little risk of picking up coronavirus on a plane: NLR
3 years, 6 months ago

Little risk of picking up coronavirus on a plane: NLR

Dutch News  

Sitting in a plane fewer than four rows away from with someone who is infected with coronavirus will result in only a very minor chance of infection, according to research by the Dutch aerospace institute NLR and public health body RIVM for the transport ministry. At between one in 160 and one in 1800 cases, the risk of catching the …

Coronavirus more likely to spread indoors through maskless interaction: Study
3 years, 7 months ago

Coronavirus more likely to spread indoors through maskless interaction: Study

Deccan Chronicle  

Washington: Speaking in indoor spaces without wearing a mask poses the greatest risk of spreading SARS-CoV-2, the virus that causes COVID-19, to others, a study has found. The research, published in the Journal of Internal Medicine on Tuesday, describes how different sized respiratory droplets emitted while speaking have a range of sizes, and can carry different amounts of virus. "When …

Coronavirus more likely to spread indoors through maskless interaction: Study
3 years, 7 months ago

Coronavirus more likely to spread indoors through maskless interaction: Study

India TV News  

Speaking in indoor spaces without wearing a mask poses the greatest risk of spreading SARS-CoV-2, the virus that causes COVID-19, to others, a study has found. The research, published in the Journal of Internal Medicine on Tuesday, describes how different sized respiratory droplets emitted while speaking have a range of sizes, and can carry different amounts of virus. "When the …

Aerosols from Covid-19 infected person can travel in air upto 10 metres: Govt
3 years, 7 months ago

Aerosols from Covid-19 infected person can travel in air upto 10 metres: Govt

Hindustan Times  

The government on Thursday issued a set of guidelines to stop the spread of the coronavirus disease as the country reels under the second wave of the pandemic. Stopping the transmission of the Covid-19 virus from a person to another person will decrease the infection rate of the disease to a level where it can eventually die, according to the …

Aerosols carrying Covid-19 virus can travel in air up to 10 meters: Centre
3 years, 7 months ago

Aerosols carrying Covid-19 virus can travel in air up to 10 meters: Centre

Deccan Chronicle  

New Delhi: Cautioning people to maintain social distance to prevent the transmission of the Covid-19 virus, the office of the Principal Scientific Adviser to the Government of India on Thursday said that aerosols, one of the key transmission mode of the SARS-CoV-2, can travel in the air up to 10 meters. "Aerosols and droplets are key transmission mode of the …

Scientists call for more focus on ventilation in stopping Covid
3 years, 7 months ago

Scientists call for more focus on ventilation in stopping Covid

Dutch News  

A group of 39 scientists from all over the world, including the Netherlands, are calling on governments to pay more attention to the role of good ventilation in the battle against coronavirus. In an article in leading academic journal Science, they suggest that good ventilation can prevent coronavirus being spread by aerosols, or tiny droplets which hang in the air. …

Scientists call for more focus on ventilation in stopping Covid
3 years, 7 months ago

Scientists call for more focus on ventilation in stopping Covid

Dutch News  

A group of 39 scientists from all over the world, including the Netherlands, are calling on governments to pay more attention to the role of good ventilation in the battle against coronavirus. In an article in leading academic journal Science, they suggest that good ventilation can prevent coronavirus being spread by aerosols, or tiny droplets which hang in the air. …

COVID-19 infection is transmitted via air, says US CDC
3 years, 8 months ago

COVID-19 infection is transmitted via air, says US CDC

India TV News  

Exposure to respiratory fluids -- very fine respiratory droplets and aerosol particles -- present in air and which carry viruses are the main reason for contracting Covid-19 infection, the US Centers for Disease Control and Prevention said. These droplets carry viruses and transmit infection, said the agency's latest science brief as part of its public guidelines on Covid-19. Exposure to …

Scientists are finding more proof for role aerosols in Covid spread
3 years, 8 months ago

Scientists are finding more proof for role aerosols in Covid spread

Dutch News  

Scientists at Amsterdam, Twente and Cambridge universities are finding more evidence about the role aerosols may play in the spread of coronavirus and are calling for better ventilation in homes, television show Nieuwsuur has reported. More analytical models are showing that aerosols play a role although there is no rock solid proof yet, Daniel Bonn told the programme. Apart from …

Scientists are finding more proof for role aerosols in Covid spread
3 years, 8 months ago

Scientists are finding more proof for role aerosols in Covid spread

Dutch News  

Scientists at Amsterdam, Twente and Cambridge universities are finding more evidence about the role aerosols may play in the spread of coronavirus and are calling for better ventilation in homes, television show Nieuwsuur has reported. More analytical models are showing that aerosols play a role although there is no rock solid proof yet, Daniel Bonn told the programme. Apart from …

Coronavirus is airborne. Experts give 10 reasons in support
3 years, 8 months ago

Coronavirus is airborne. Experts give 10 reasons in support

Hindustan Times  

SARS-CoV-2, the virus which causes the coronavirus disease, is predominantly transmitted through the air, according to a new study published in The Lancet journal. The experts pointed out that superspreading events account for substantial SARS-CoV-2 transmission, saying “such events may be the pandemic's primary drivers.” “Detailed analyses of human behaviours and interactions, room sizes, ventilation, and other variables in choir …

Virus infections predominantly by air: Lancet
3 years, 8 months ago

Virus infections predominantly by air: Lancet

Deccan Chronicle  

Hyderabad: Making the worst fears about how Covid-19 spreads and how the disease-causing SARS-CoV-2 travels from one person to another, a study published by Lancet, the venerated medical journal, has said that the virus spreads “predominantly by the airborne route.” In their study, published by Lancet on April 15, researchers from the US, Canada and the United Kingdom, said there …

Despite a better understanding of airborne coronavirus transmission, health department advice online hasn't changed since March 2020
3 years, 10 months ago

Despite a better understanding of airborne coronavirus transmission, health department advice online hasn't changed since March 2020

ABC  

CoronaCheck is RMIT ABC Fact Check's weekly email newsletter dedicated to fighting the misinformation infodemic surrounding the coronavirus outbreak. In a media statement published on Thursday morning, Facebook's managing director for Australia and New Zealand, William Easton, said the Government's proposed media bargaining law, which would see tech companies pay Australian news organisations for their content, "fundamentally misunderstands the relationship …

New playbook for Covid-19 protection emerges after year of study, missteps
3 years, 11 months ago

New playbook for Covid-19 protection emerges after year of study, missteps

Live Mint  

Scientists are settling on a road map that can help critical sectors of the economy safely conduct business, from meatpacking plants to financial services, despite the pandemic’s continued spread. “We have to still deal with ‘the right now.’ We’ve zeroed in on this set of controls that we know work," said Joseph Allen, director of the Healthy Buildings Program at …

Air-borne transmission of SARS-Cov2 likely
4 years ago

Air-borne transmission of SARS-Cov2 likely

Deccan Chronicle  

Hyderabad: Sars-Cov-2 virus samples have been found in the hospital air of Covid-19 wards but not in non-Covid 19 wards, according to a CSIR-Centre for Cellular and Molecular Biology study. Scientists from CCMB state that the smaller sized aerosols could stay suspended in air for longer durations of more than 2hours and were found to travel longer distances of 2meters. …

For Scientists Who Study Virus Transmission, 2020 Was A Watershed Year
4 years ago

For Scientists Who Study Virus Transmission, 2020 Was A Watershed Year

NPR  

For Scientists Who Study Virus Transmission, 2020 Was A Watershed Year Enlarge this image toggle caption Francesco Carta fotografo/Getty Images Francesco Carta fotografo/Getty Images When Linsey Marr looks back at the beginning of 2020, what strikes her is how few people in the world really understood how viruses can travel through the air. "In the past year, we've come farther …

The Coronavirus Is Airborne Indoors. But We’re Still Scrubbing Surfaces.
4 years, 1 month ago

The Coronavirus Is Airborne Indoors. But We’re Still Scrubbing Surfaces.

News 18  

At Hong Kong’s deserted airport, cleaning crews constantly spray baggage trolleys, elevator buttons and check-in counters with antimicrobial solutions. But scrubbing surfaces does little to mitigate the virus threat indoors, experts say, and health officials are being urged to focus instead on improving ventilation and filtration of indoor air. But scientific evidence was growing that the virus could stay aloft …

Covid-19 pandemic: Ventilate, open windows to cut risk, advises UK government
4 years, 1 month ago

Covid-19 pandemic: Ventilate, open windows to cut risk, advises UK government

Hindustan Times  

The Boris Johnson government on Wednesday released a new film based on research that shows ventilation and letting in fresh air into indoor spaces can reduce risk of infection from the coronavirus by over 70%. The film produced with scientists at Leeds University illustrates how coronavirus lingers in the air in spaces with no fresh air, increasing the risk of …

Modern aircraft ventilation systems aren’t spreading viruses, DoD study suggests
4 years, 2 months ago

Modern aircraft ventilation systems aren’t spreading viruses, DoD study suggests

CNN  

CNN — A new study released Thursday suggests that people don’t need to worry about circulating air spreading coronavirus on airplanes. The US Department of Defense study supports earlier research showing the ventilation systems on aircraft filter the air efficiently and take out particles that could transmit viruses. The US Transportation Command, The Defense Advanced Research Project Agency and the …

Coronavirus May Spread More Via Respiratory Droplets in Winter, Say Scientists
4 years, 2 months ago

Coronavirus May Spread More Via Respiratory Droplets in Winter, Say Scientists

News 18  

While transmission of the novel coronavirus as small aerosol particles is more significant in summer, direct contact with respiratory droplets may be more pronounced in the winter months, according to a new research. ”We found that in most situations, respiratory droplets travel longer distances than the 6-foot social distance recommended by the CDC,” said Yanying Zhu, a co-author of the …

Covid-19 could spread by airborne transmission: Centers for Disease Control and Prevention
4 years, 3 months ago

Covid-19 could spread by airborne transmission: Centers for Disease Control and Prevention

Hindustan Times  

U.S. Centers for Disease Control and Prevention in an updated guidance on Monday said COVID-19 can spread through airborne transmission, a month after it took down a similar warning. Aerosols lingering in the air could be a major source of COVID-19 transmission, a group of U.S. scientists warned in an unrelated open letter published in medical journal Science on Monday. …

CDC says coronavirus can spread indoors in updated guidance
4 years, 3 months ago

CDC says coronavirus can spread indoors in updated guidance

Associated Press  

NEW YORK — The top U.S. public health agency said Monday that the coronavirus can sp However, several experts faulted the updated Centers for Disease Control and Prevention guidance. In interviews, CDC officials have also acknowledged growing evidence that the virus can sometimes spread on even smaller particles called aerosols that spread over a wider area. CDC officials called those …

The CDC says the coronavirus can spread through tiny airborne particles after all
4 years, 3 months ago

The CDC says the coronavirus can spread through tiny airborne particles after all

LA Times  

The U.S. Centers for Disease Control and Prevention acknowledged Monday that the coronavirus can spread through microscopic respiratory particles known as aerosols that float in the air for minutes or even hours before being inhaled. On its website, the CDC said that even people who followed social distancing guidelines have been infected through this type of transmission — and added …

How do people get infected by coronavirus? Here’s what experts say
4 years, 3 months ago

How do people get infected by coronavirus? Here’s what experts say

Live Mint  

In most cases, it’s impossible to pinpoint how someone caught SARS-CoV-2, the coronavirus that causes Covid-19. Patients may harbor potentially infectious SARS-CoV-2 virus in their saliva, stool and urine as long as 15 days after falling ill, researchers in South Korea showed in a study of five patients in July. Exhaled breath may play an important role in the transmission, …

CDC Reverses Guidelines Stating The Coronavirus Is Airborne Virus [UPDATE]
4 years, 3 months ago

CDC Reverses Guidelines Stating The Coronavirus Is Airborne Virus [UPDATE]

Huff Post  

LOADING ERROR LOADING UPDATE: 12:40 p.m. — The Centers for Disease Control and Prevention has reversed an update made to its coronavirus guidance that stated COVID-19 is an airborne virus. “There is growing evidence that droplets and airborne particles can remain suspended in the air and be breathed in by others, and travel distances beyond 6 feet,” the CDC’s new …

CDC acknowledges risk of coronavirus aerosols in new guidelines, then reverses course
4 years, 3 months ago

CDC acknowledges risk of coronavirus aerosols in new guidelines, then reverses course

LA Times  

New federal guidelines that acknowledged the role of aerosols in the spread of COVID-19 were removed Monday from the website of the Centers for Disease Control and Prevention, which said they had been posted by mistake. Read the CDC’s draft guidance on the role of coronavirus aerosols in the spread of COVID-19 These are the guidelines about COVID-19 spread that …

CDC says coronavirus spreads mainly in the air, through respiratory aerosols and droplets
4 years, 3 months ago

CDC says coronavirus spreads mainly in the air, through respiratory aerosols and droplets

LA Times  

The coronavirus spreads most commonly in the air, through droplets or other tiny respiratory particles that apparently can remain suspended and inhaled, the Centers for Disease Control and Prevention says in new guidance. Science & Medicine UPDATE: CDC says new guidance on aerosols was posted by mistake The Centers for Disease Control and Prevention said new guidance that warned about …

Evidence Suggests Covid-19 Spreads Through Saliva, Respiratory Secretions of Infected People: Ashwini Chobey
4 years, 3 months ago

Evidence Suggests Covid-19 Spreads Through Saliva, Respiratory Secretions of Infected People: Ashwini Chobey

News 18  

Minister of State for Health Ashwini Kumar Choubey on Tuesday informed the Rajya Sabha that current evidence, according to WHO, suggests that transmission of coronavirus occurs primarily through direct, indirect, or close contact with infected people through saliva and respiratory secretions. "Airborne transmission of the virus can occur in healthcare settings where specific medical procedures, called aerosol generating procedures, generate …

Tiny coronavirus particles could travel a lot further than 1.5 metres in the air, study suggests
4 years, 4 months ago

Tiny coronavirus particles could travel a lot further than 1.5 metres in the air, study suggests

ABC  

The critical importance of social distancing due to the risk of tiny airborne particles of COVID-19 has been largely focused on scientific advice that airborne spray could travel up to 1.5 metres. Key points: ANU researchers say particles 50 times smaller than hair can travel several metres ANU researchers say particles 50 times smaller than hair can travel several metres …

Scientists Recommend at Least 40% Humidity in Public Buildings to Curb Covid-19 Spread
4 years, 4 months ago

Scientists Recommend at Least 40% Humidity in Public Buildings to Curb Covid-19 Spread

News 18  

In addition to measures like social distancing and wearing masks, an Indian-German team of scientists recommend controlling indoor humidity conditions to contain the spread of the novel coronavirus which causes COVID-19. The researchers, including those from CSIR National Physical Laboratory in New Delhi, said in order to contain the pandemic, it is extremely important to implement standards for indoor air …

Airborne Viruses May Spread on Dust, Non-respiratory Particles: Study
4 years, 4 months ago

Airborne Viruses May Spread on Dust, Non-respiratory Particles: Study

News 18  

Influenza viruses can spread through the air on dust, fibres and other microscopic particles, and not just expiratory droplets, according to a study published on Tuesday that has implications for the novel coronavirus transmission. "It's really shocking to most virologists and epidemiologists that airborne dust, rather than expiratory droplets, can carry influenza virus capable of infecting animals," said Professor William …

Scientists warn on flu & COVID-19: Says Influenza viruses can spread through dust, non-respiratory particles
4 years, 4 months ago

Scientists warn on flu & COVID-19: Says Influenza viruses can spread through dust, non-respiratory particles

India TV News  

Influenza viruses can spread through the air on dust, fibres and other microscopic particles, and not just expiratory droplets, according to a study published on Tuesday that has implications for the novel coronavirus transmission. Influenza virus is thought to spread by several different routes, including in droplets exhaled from the respiratory tract or on secondary objects such as door handles …

Coronavirus and surfaces: What's the latest on what we know about how you can catch COVID-19?
4 years, 5 months ago

Coronavirus and surfaces: What's the latest on what we know about how you can catch COVID-19?

ABC  

Are you more likely to catch coronavirus from surfaces or from droplets in the air? Under experimental conditions it found: The virus could still be detected on stainless steel and plastic after 72 hours No viable SARS-CoV-2 could be detected on a cardboard surface after 24 hours No viable SARS-CoV-2 could be detected on a copper surface after four hours …

High virus in kids with Covid-19, but are they contagious?
4 years, 5 months ago

High virus in kids with Covid-19, but are they contagious?

Hindustan Times  

Coronavirus disease rarely sickens children, and when it does, it usually causes mild disease. But a new study indicates that infected children with mild and moderate disease carry as much virus as adults, sparking debate on whether they can potentially spread infection as easily as adults. Infected children with mild and moderate disease carry as much virus as adults, a …

Can the coronavirus spread through the air?
4 years, 5 months ago

Can the coronavirus spread through the air?

Associated Press  

Can the coronavirus spread through the air? The World Health Organization recently acknowledged the possibility that COVID-19 might be spread in the air under certain conditions. Recent COVID-19 outbreaks in crowded indoor settings — restaurants, nightclubs and choir practices — suggest the virus can hang around in the air long enough to potentially infect others if social distancing measures are …

Study finds higher viral load in young children, raising questions about how likely they are to transmit the coronavirus
4 years, 5 months ago

Study finds higher viral load in young children, raising questions about how likely they are to transmit the coronavirus

CNN  

CNN — Children younger than 5 have between 10 and 100 times more genetic material from the novel coronavirus in their noses compared to older children and to adults, according to a small study published Thursday in the journal JAMA Pediatrics. “We had just noticed that some of the children that we were testing for SARS CoV-2 that were positive, …

Even good ventilation removes only 10% of coronavirus particles from classrooms, study finds
4 years, 5 months ago

Even good ventilation removes only 10% of coronavirus particles from classrooms, study finds

Daily Mail  

Even with good ventilation, only a small fraction of the novel coronavirus may be filtered out from a room, a new study suggests. In a simulated classroom scenario, in which an asymptomatic teacher speaks for 50 minutes, just 10% of aerosols were filtered out and the rest were stuck to walls. Pictured: Students chat behind a plastic partition in a …

How do people catch coronavirus? What we know so far
4 years, 5 months ago

How do people catch coronavirus? What we know so far

Live Mint  

The modus operandi is becoming clearer. For the most part, SARS-CoV-2, the coronavirus that causes Covid-19, spreads by close personal contact via tiny particles emitted when an infected person coughs, sneezes, speaks, sings -- or even just breathes normally. Patients may harbor potentially infectious SARS-CoV-2 virus in their saliva, stool, and urine as long as 15 days after falling ill, …

Groningen hospital to investigate coronavirus aerosol spread
4 years, 5 months ago

Groningen hospital to investigate coronavirus aerosol spread

NL Times  

The University Medical Center in Groningen is teaming up with the University of Twente to investigate whether aerosols play a role in the spread of the coronavirus. The University of Twente will also look into the environmental factors involved, lead researcher Mariette Lokate said to RTV Noord. At this stage, the World Health Organization and Dutch public health institute RIVM …

Exhaled breath of COVID-19 patients can contain novel coronavirus, study finds
4 years, 5 months ago

Exhaled breath of COVID-19 patients can contain novel coronavirus, study finds

The Hindu  

Not just talking, singing or shouting, as the World Health Organization indicated on July 9, but even breathing may spread novel coronavirus into the air. Airborne transmission The study found that COVID-19 patients exhaled coronavirus into the air at an estimated rate of 1,000-1,00,000 RNA copies/minute. The authors write that the virus levels in exhaled breath could reach 1,00,000 to …

Coronavirus pandemic exposes scientific rift over proving when germs are airborne
4 years, 5 months ago

Coronavirus pandemic exposes scientific rift over proving when germs are airborne

India Today  

The coronavirus pandemic has exposed a clash among medical experts over disease transmission that stretches back nearly a century - to the very origins of germ theory. "WHO's slow motion on this issue is unfortunately slowing the control of the pandemic," said Jose Jimenez, a University of Colorado chemist who signed the public letter urging the agency to change its …

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