Month: August 2020

A study suggests a possible link between vaping and COVID-19, suggesting teens and young adults in the United States who inhale could be five to seven times more at risk of contracting the disease caused by the coronavirus.Results were published in the Journal of Adolescent Health based on survey data collected in May and analyzed by researchers at the Stanford University School of Medicine.“Young people may believe their age protects them from contracting the virus or that they will not experience symptoms of COVID-19, but the data show this isn’t true among those who vape,” study leader Shivani Mathur Gaiha said in a press statement.The study asked participants if they had ever vaped before, whether they had vaped or smoked in the last 30 days, if they had COVID-19 symptoms, were tested for it or contracted the disease.The results showed that those who had used cigarettes and e-cigarettes in the last 30 days were nearly five times more likely to have COVID-19 symptoms compared to participants who had never smoked or vaped.The study does not prove vaping causes COVID-19. One possible explanation put forward by the researchers is that vaping requires repeated touching of the mouth and face, which would help spread the infection. Additionally, they say nicotine in e-cigarettes and combustible cigarettes can cause lung damage, which makes contracting COVID-19 more dangerous.The researchers at Stanford say they hope their findings “will prompt the U.S. Food and Drug Administration to further tighten regulations governing how vaping products are sold to young people.”
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A team of researchers from Australia and China has developed a way to desalinate and purify salty or brackish water into potable drinking water using solar energy, a process that could provide hope for developing areas without reliable or abundant electricity.The World Health Organization says about 2 billion people worldwide do not have access to water that is safe to drink. Contaminated water can lead to cholera, dysentery, typhoid and a host of other diseases. And the WHO says that situation will only worsen in the next five years.In a study published Monday in the science journal Nature Sustainability, the scientists said they had created a sustainable solution that relies on sunlight to jump-start the filtration process instead of heat or electricity.Along with sunlight, the other key factor in their process is a special, incredibly porous metal compound composed of metal ions configured into a crystalline pattern.The researchers enhanced the viability of this material by adding another material to its pores, called PSP-MIL-53.After testing this material on both natural saltwater and synthetic saltwater, they found that the compound was able to absorb enough water in 30 minutes to create nearly 151 liters of fresh drinking water per single kilogram of the absorption material. They also discovered that this drinking water was even cleaner than WHO’s official guidelines.The researchers say the material could have other applications as well, for example, in mineral mining. The next step, they say, is getting their process out of the lab and into the field. 
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The World Health Organization said Tuesday said it was holding talks with Russia regarding its recently approved COVID-19 vaccine. Russia on Tuesday became the first country to approve a vaccine for use in tens of thousands of its citizens. In an appearance on Russian television, President Vladimir Putin claimed the vaccine has proven efficient and has passed “all the necessary tests.”  Russian President Vladimir Putin chairs a meeting with members of the government via video link at the Novo-Ogaryovo state residence outside Moscow, Russia, Aug. 11, 2020. (Sputnik/Aleksey Nikolskyi/Kremlin)He said his own daughter has taken the vaccine and after two shots had a normal temperature and a “high number of antibodies.” The announcement came amidst global skepticism because the vaccine received approval after less than two months of human trials in Russia with a limited number of test subjects. “We are in close contact with Russian health authorities and discussions are ongoing with respect to possible WHO prequalification of the vaccine, but again prequalification of any vaccine includes the rigorous review and assessment of all required safety and efficacy data,” WHO spokesman Tarik Jasarevic told a U.N. briefing in Geneva.Jasarevic says he is encouraged by the speed in which possible vaccines are being developed around the world. He said the WHO’s main concern is equitably distributing whatever viable vaccines are developed around the world.  
 
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The World Health Organization is releasing guidance on measures to be taken by dental health professionals and patients in oral health services to minimize the risk of being infected with COVID-19. As everyone in the world can attest, having a tooth ache is no fun and when the pain is bad enough, people will go to the dentist. However, a World Health Organization survey of 103 countries between May and mid-July finds COVID-19 has affected dental services around the world in unprecedented ways.   
 
Dental officer in WHO’s Department of Noncommunicable Diseases, Benoit Varenne, says 75 percent of survey respondents reported dental services have been completely or partially disrupted because of the coronavirus.
 
He says the high-level of disruption is linked to the nature of the work provided by the oral health care personnel.   “As you know, dentists, dental nurses, hygienists, and dental assistants work in close contact with patients and are exposed to saliva and blood, and as so, they are using, what we call, spray-generating equipment … and all this equipment are generating, what we call, airborne particles or aerosol,” said Varenne. In communities where transmission of the coronavirus is high, Varenne says WHO recommends priority be given to urgent or emergency oral cases.  And in the treatment of patients, he says dental workers should avoid or minimize procedures that may generate aerosols, which can spread the infection and prioritize the use of hand instruments.“And, of course, to delay routine, non-essential oral health care,” said Varenne. “This means going for a checkup, dental cleaning, preventive care and certainly also some aesthetic dental treatment.”  
 
Other WHO recommendations include remote screening, maintaining physical distancing and wearing masks before and in-between dental sessions to prevent and reduce the risk of transmission.
 
Varenne says one of the most pressing issues is to ensure all dental workers have personal protective equipment.  This is essential, he says, to protect themselves from becoming infected with COVID-19 and passing it on to their patients. 
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The U.S. space agency, NASA says that says it believes it has discovered salty water beneath the surface of the dwarf planet, Ceres, in orbit around the sun in the asteroid belt between Mars and Jupiter.The space agency’s Dawn spacecraft gathered up-close views of the dwarf planet – smaller than the earth’s moon – before ending its mission in October 2018.  At one point, Dawn dipped down to just 35 kilometers above Ceres’s surface.  Those up-close views revealed “mysterious bright regions”, which scientists later concluded to be deposits of sodium carbonate from liquid that likely filtered up to the surface and evaporated, leaving behind a reflective salty crust.In a study published Monday in the journal Nature Astronomy, NASA Scientists said, after studying the images and data sent back from the probe, they concluded the liquid came from a deep reservoir of salt-enriched water, about 40 kilometers deep and hundreds of kilometers wide.The Dawn spacecraft was launched in September 2007 with a mission to shed light on the early solar system.It explored the two largest bodies. After studying giant asteroid “Vesta”, Dawn arrived at dwarf planet “Ceres” in 2015. The scientists’ research focused on the 92-kilometer-wide “Occator Crater”.In October 2018, NASA called time on the Dawn mission, after the spacecraft ran out of its key fuel, hydrazine. NASA says it will remain in orbit of Ceres for decades.Dawn remains the only spacecraft to ever orbit two extraterrestrial destinations.
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