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Rapid Antigen Test. How soon can you get covid again? Experts now say 28 days – but you can protect yourself, writes doctor ASHWIN SWAMINATHAN. My extraordinary two-and-a-half year negative covid test came to a halt last week, after receiving a text confirming I was among the latest pandemic catches. My case adds to the tilt of the third Omicron wave in seven months, currently rolling across Australia. Shivering through my light fights, I optimistically thought that I would at least get a few months reprieve from the precautionary measures and isolation testing. But emerging evidence suggests the possibility of reinfection in a shorter timeframe for the newer subvariants. Experts have reduced the window of protection from previous infections from 12 weeks to 28 days. This week, the NSW Western Australia government and the ACT all announced those with previous COVID-19 need to get tested after 28 days if they develop symptoms. If positive, they will be treated as new cases. Re-infe

The largest-ever medical records-based study of adverse events suffered by hospitalized patients in the US, is published in the July 12 issue of JAMA , reported a significant reduction in the rate of adverse events over the past decade. The study findings are promising for patient safety and the effectiveness of hospital patient safety initiatives. In this study, the unidentified medical records of 244,542 patients in 3,156 US hospitals over 10 years were examined. The researchers used the Medicare Patient Safety Monitoring System (MPSMS), a surveillance system administered by the Agency for Healthcare Research and Quality (AHRQ) designed to assess 21 in-hospital side effects in patients with the primary condition acute myocardial infarction (heart attack). heart failure, pneumonia, major surgical procedures, and all other conditions. The relative risk was adjusted for the patient’s age, gender, race, ethnicity, specific comorbidities, and the characteristics of each hospital. The i

Helping our frontline workers through psychiatric assistance dogs Emergency services personnel are Australia’s first line of defense in times of crisis – but who do they turn to in times of need? University of Southern Queensland researchers are investigating how psychiatric assistance dogs (PADs) can aid post-traumatic growth and recovery, with a focus on members of the Police, Fire and Rescue, Ambulance and State Emergency Services. Project leader Karina Heyworth, a psychology PhD candidate, has launched a new study that aims to measure how PAD can help reduce and manage post-traumatic stress disorder (PTSD). “PTSD is highly prevalent in Australian first responders and defense personnel, often resulting in dire consequences such as social isolation, poor relationships, depression and the inability to work and perform daily tasks,” Heyworth said. “Current treatment methods focus on trauma-focused psychological interventions, but the vast majority of people do not respond to these firs

Summary: The inhibitory and excitatory networks in the visual system of the brain develop by different processes, even if the organization of the networks is similar. Source: Max Planck Florida Brain function, like many other areas of life, is about balance. Excitatory neurons that increase the activity of connected neurons are offset by inhibitory neurons that suppress this activity. In this way, excitation and inhibition work together throughout the brain to process information and guide behavior. Imbalances in this system, which sometimes appear during development, contribute to neurodevelopmental disorders such as autism. To date researchers have mostly focused on excitatory neurons, while the function and development of inhibitory neural circuits has been studied. New research from the Max Planck Florida Institute for Neuroscience shows that the inhibitory and excitatory neural circuits of the visual system develop by different processes, even if the organization of the mature c

Summary: An experimental drug penetrating the brain is in development as a cancer treatment could promote regeneration of nerves damaged after spinal cord injury, researchers report. Source: University of Birmingham Scientists from the University of Birmingham have shown that a prospective brain-penetrating drug currently being developed as a cancer therapy could promote regeneration of nerves damaged after spinal trauma. The study, published today in Clinical Medicine and Translation used cell and animal models to demonstrate that when taken by mouth the drug candidate, known as AZD1390, can block the response to DNA damage in nerve cells and promote regeneration of damaged nerves, thereby restoring sensory and motor function after spinal cord injury. The announcement comes weeks after the same research team showed a different investigative drug (AZD1236) could reduce damage after spinal cord injury, by blocking the inflammatory response. Both studies were supported by the AstraZene

A new investigative report out Tuesday found that long-standing COVID-19 patients are traveling overseas to try expensive and untested treatments for their symptoms, including screening their blood. But at least some experts are concerned about the trend, warning that this treatment lacks solid evidence to support its claimed benefits. The report is a collaboration between The BMJ and ITV News. The authors visited or interviewed patients who went to clinics in Cyprus, Germany and Switzerland hoping to find relief for lingering post-covid symptoms. These symptoms tend to include, but are not limited to, persistent fatigue, breathing problems, and cognitive dysfunction, or brain fog. The main treatment offered by this clinic is called apheresis. The patient’s blood is drawn, which is then “washed” and broken down into its different components of plasma and red blood cells. The blood is then recombined and finally given back to the patient via a different vein. The treatment is supp

12 July 2022 12:30 Genetic defects that lead to abnormal inflammation in the hands, hips, knees, and other joints may help explain why some people are more prone to developing severe osteoarthritis than others, according to scientists from the University of Utah Health. Photo credit: Getty Images An overactive inflammatory response can trigger the most common form of arthritis A newly detected defect in a genetic signaling pathway that leads to a hyperactive inflammatory response could help explain why some people are more prone to developing severe osteoarthritis than others, according to University of Utah Health scientists. They say the discovery could eventually lead to ways to detect early onset of the disease—even before symptoms appear—and the development of new treatments for the disease. The findings, among the first to suggest that an increased inflammatory response is a major risk factor in osteoarthritis, appear in the Annals of the Rheumatic Disea

Fahad Razak became scientific director of the Ontario COVID-19 Science Advisory Table earlier this year and is already at the center of questions about the mandate of masks, wastewater signaling, and the shift of desks from the University of Toronto to Public Health Ontario. An assistant professor in the department of medicine at the Temerty School of Medicine and at the Dalla Lana School’s Institute for Health Policy, Management and Evaluation, Razak is an expert in internal medicine and epidemiology at St. Michael, Unity Health Toronto. He spoke with author Jim Oldfield about his decision to take up the job as scientific director of table science and the potential challenges ahead. How did you find time for this role? Before I took on this role, I decided to step away from clinical work for a year. As an internal medicine doctor at St. Michael, on the front lines of the pandemic, these two and a half years have been very busy. My specialty has seen large numbers of COVID-19 patie

Source/Disclosure Disclosure: Clauw’s report testifies in a state lawsuit against opioid manufacturers for their role in the opioid overdose crisis. ADD TOPIC TO EMAIL ALERTS Receive emails when new articles are posted on Please provide your email address to receive emails when new articles are posted on . ” data-action=”subscribe”> Subscribe We were unable to process your request. Please try again later. If you continue to experience this problem, please contact customerservice@slakinc.com. Back to Healio Central sensitization may be an important underlying factor complicating the treatment of chronic pain and opioid use disorders, write the researchers in PAIN Report. Orman Trent Hall, DO an osteopathic physician and addiction psychiatrist at Ohio State University’s Wexner Medical Center, and colleagues recruited participants wi

By Heather Cherry— Check out tips for better sleep Unsplash-Priscilla Du Preez Sleep disturbances and sleep deprivation are common challenges that can have lasting implications—affecting your personal and professional life. According to Johns Hopkins Carey Business School Professor and Associate Dean Brian Gunia, “Sleep deprivation or sleep deprivation can lead to a variety of problem behaviors, mental and affective health problems, cognitive deficits, and physical ailments. Each of these issues has the potential to hurt the organizations they work for in many ways. For example, unhealthy sleep can cause distractions that prevent employees from achieving organizational goals, or it can lead to potential errors and even physical injury. Or, it could impair an employee’s ability to interact productively and professionally with coworkers, customers or others.” And a large part of the population may experience challenges when it comes to sleep. A recent study concluded that nearl

A well-fitting respirator can reduce the risk. Credit: Shutterstock Silica dust is a very fine dust that is produced when products such as bricks, concrete and pavers are cut or drilled. Artificial stone, which is used primarily for kitchen countertops, is a very strong source of silica dust. Inhaling this dust into the lungs can cause severe long-term damage. This can lead to difficulty breathing, scarring of the lungs (silicosis) and lung cancer. In our recently published report, we estimate that without action, Australian workers will develop over 10,000 lung cancers in the future and nearly 104,000 cases of silicosis over their lifetime due to exposure to silica dust. This is about 1% of all future lung cancers in the Australian adult population. However, banning artificial stone would reduce silica exposure and could prevent 100 lung cancers and nearly 1,000 cases of silicosis over the lifet

Nano-sized extracellular vesicle (EV) exosomes serve as a reliable source of biomarkers. However, identification of cancer biomarkers through mapping of exosomal multi-omic molecular information is challenging due to the heterogeneous population of exosomes derived from diverse cell types. Study: Nano pom-pom prepared exosomes allow detection of highly specific cancer biomarkers. Image Credit: Meletios Verras/Shutterstock.com In an article published in the journal Communication Biology , the researchers introduced new three-dimensional (3D) nanographene immunomagnetic particles for specific capture and release (defined by markers) from intact exosomes. The newly designed 3D structured nanographene particles have a unique pom-pom flower morphology. In addition, the capture and release of intact exosomes is carried out via photo-click chemistry. This exosome isolation approach allows the identification of cancer biomarkers with enhanced sensitivity and specificity. Multi-omic exosom

People’s attitudes towards vaccines can now be detected from their social media posts with a smart AI model, developed by researchers at the University of Warwick. An AI-based model can analyze social media posts and determine the author’s attitude towards vaccines, by being ‘trained’ to recognize that attitude from a small number of sample tweets. As a simple example, if a post contains mention of distrust of health care institutions, fear of needles, or something related to a known conspiracy theory, the model can recognize that the person who wrote it may have negative feelings about vaccinations. The research, funded by UK Research and Innovation (UKRI), will be presented today (12 July) at the North American Association of Computational Linguistics Annual Conference 2022. It is led by Professor Yulan He from the University’s Department of Computer Science, supported by a 5-year Turing AI Fellowship funded by the EPSRC. Professor He and his colleagues at the University of Warwick h

The World Health Organization today released the first report on a line of vaccines currently under development to prevent infections caused by antimicrobial-resistant (AMR) pathogenic bacteria. WHO analysis points to the need to accelerate AMR-related vaccine trials in late-stage development and maximize use of existing vaccines. The silent antimicrobial resistance pandemic is a major growing public health concern. Resistant bacterial infections alone are associated with nearly 4.95 million deaths per year, with 1.27 million deaths directly attributable to AMR. But AMR is more than just a bacterial infection. AMR occurs when bacteria, viruses, fungi, and parasites change over time and no longer respond to medications. When a person is infected with these microbes, the infection is said to be resistant to antimicrobial drugs. These infections are often difficult to treat. Vaccines are a powerful tool for preventing infection in the first place, and therefore have the potential to