//www.koonmotors.com/news/health_medicine/cold_and_flu/ Latest medical research on cold and flu viruses, including symptoms, remedies, prevention and treatment. Learn how you can help protect yourself from cold and flu viruses, including swine flu and bird flu. en-us Fri, 08 Sep 2023 22:45:30 EDT Fri, 08 Sep 2023 22:45:30 EDT 60 //www.koonmotors.com/images/scidaily-logo-rss.png//www.koonmotors.com/news/health_medicine/cold_and_flu/ For more science news, visit ScienceDaily. //www.koonmotors.com/releases/2023/09/230905125043.htm Every year, respiratory syncytial viruses (RSV) cause countless respiratory infections worldwide. For infants, young children and people with preexisting conditions, the virus can be life-threatening. The team has explored ways to reduce the risk of infection. Their findings show that -- when used correctly -- alcohol-based hand sanitizers and commercially available surface disinfectants provide good protection against transmission of the virus via surfaces. Tue, 05 Sep 2023 12:50:43 EDT //www.koonmotors.com/releases/2023/09/230905125043.htm //www.koonmotors.com/releases/2023/09/230905124955.htm A new study has shown that a subtype of avian flu virus, endemic in poultry farms in China, is undergoing mutational changes, which could increase the risk of the disease being passed on to humans. 星期二,2023年9月05日12:49:55美国东部时间 //www.koonmotors.com/releases/2023/09/230905124955.htm //www.koonmotors.com/releases/2023/08/230831164228.htm Researchers have discovered some new and surprising ways that viral RNA and influenza virus are detected by human lung cells, which has potential implications for treating people affected by such viruses. Thu, 31 Aug 2023 16:42:28 EDT //www.koonmotors.com/releases/2023/08/230831164228.htm //www.koonmotors.com/releases/2023/08/230829125809.htm Brucellosis is a disease, caused by the members of bacterial Brucella family, that mainly infects cattle, goats and sheep, leading to pregnancy loss, which has caused billions of dollars in economic losses for livestock producers worldwide. The disease can also jump from animals to humans, mainly through consumption of unpasteurized dairy products or inhaling the spores from the tissues of infected animals. While the disease can cause arthritis, inflammation of the heart and flu-like symptoms in humans, the bacteria can also enter the brain and cause neurobrucellosis, which can lead to long-term neurological complications, headaches, nausea, disorientation, swelling of the brain and sometimes death. Now, a new study has highlighted the protective power of both innate lymphoid cells and specific signaling proteins, known as interferons, in reducing the harmful neurological effects of Brucella. Tue, 29 Aug 2023 12:58:09 EDT //www.koonmotors.com/releases/2023/08/230829125809.htm //www.koonmotors.com/releases/2023/08/230817163908.htm Scientists found that immune cells present in individuals long before influenza infection predict whether the illness is symptomatic. Thu, 17 Aug 2023 16:39:08 EDT //www.koonmotors.com/releases/2023/08/230817163908.htm //www.koonmotors.com/releases/2023/08/230816170628.htm Prior vaccination against tetanus and diphtheria, with or without pertussis (Tdap/Td); herpes zoster (HZ), better known as shingles; and pneumococcus are all associated with a reduced risk for developing Alzheimer's disease, according to new research. Wed, 16 Aug 2023 17:06:28 EDT //www.koonmotors.com/releases/2023/08/230816170628.htm //www.koonmotors.com/releases/2023/08/230816114227.htm Researchers have found that molecules in vegetables like broccoli or cauliflower help to maintain a healthy barrier in the lung and ease infection. Wed, 16 Aug 2023 11:42:27 EDT //www.koonmotors.com/releases/2023/08/230816114227.htm //www.koonmotors.com/releases/2023/08/230810110315.htm A new observation suggests that a life-threatening blood clotting disorder can be caused by an infection with adenovirus, one of the most common respiratory viruses in pediatric and adult patients. Thu, 10 Aug 2023 11:03:15 EDT //www.koonmotors.com/releases/2023/08/230810110315.htm //www.koonmotors.com/releases/2023/08/230804123656.htm 在温带气候,如北美和欧洲pe, flu season starts in the fall, peaks in the winter and ends in the spring. While public health officials have generally assumed that influenza is also seasonal in tropical climates, new research has found little evidence of a repeatable pattern in influenza cases in Vietnam. The findings suggest that influenza is likely unpredictable throughout the tropics, posing substantial challenges for prevention and management of cases for the one-third of the global population living in tropical areas. Fri, 04 Aug 2023 12:36:56 EDT //www.koonmotors.com/releases/2023/08/230804123656.htm //www.koonmotors.com/releases/2023/07/230728170622.htm Scientists showed that fixed mutations within a viral population most likely stem from how easy it is to acquire that mutation (i.e., mutation accessibility) rather than just its benefit. Fri, 28 Jul 2023 17:06:22 EDT //www.koonmotors.com/releases/2023/07/230728170622.htm //www.koonmotors.com/releases/2023/07/230727143917.htm A new study of the strain of influenza A responsible for the 2009 H1N1 pandemic -- pdm09 -- shows that the virus has passed from humans to swine about 370 times since 2009, and subsequent circulation in swine has resulted in the evolution of pdm09 variants that then jumped from swine to humans. Thu, 27 Jul 2023 14:39:17 EDT //www.koonmotors.com/releases/2023/07/230727143917.htm //www.koonmotors.com/releases/2023/07/230724122649.htm Taking a significant leap in the field of vaccine development, Schulich School of Medicine & Dentistry researchers have discovered a potential 'super molecule' that can bolster the effectiveness of several vaccines against viral diseases, including influenza, COVID-19 and smallpox. Mon, 24 Jul 2023 12:26:49 EDT //www.koonmotors.com/releases/2023/07/230724122649.htm //www.koonmotors.com/releases/2023/07/230724122454.htm While the incidence of influenza-associated neuropsychiatric events in children in the United States is unknown, the controversy over the use of a common antiviral medication typically administered to treat flu in children has sparked concern among parents and medical professionals alike. Mon, 24 Jul 2023 12:24:54 EDT //www.koonmotors.com/releases/2023/07/230724122454.htm //www.koonmotors.com/releases/2023/06/230621164803.htm A new survey finds that the American public is ill-informed about RSV, unfamiliar with its most common symptoms, and more hesitant to recommend a vaccine against it to pregnant people than to older adults. Wed, 21 Jun 2023 16:48:03 EDT //www.koonmotors.com/releases/2023/06/230621164803.htm //www.koonmotors.com/releases/2023/05/230531102006.htm Influenza epidemics, caused by influenza A or B viruses, result in acute respiratory infection. They kill half a million people worldwide every year. These viruses can also wreak havoc on animals, as in the case of avian flu. A team has now identified how the influenza A virus manages to penetrate cells to infect them. By attaching itself to a receptor on the cell surface, it hijacks the iron transport mechanism to start its infection cycle. By blocking the receptor involved, the researchers were also able to significantly reduce its ability to invade cells. These results highlight a vulnerability that could be exploited to combat the virus. Wed, 31 May 2023 10:20:06 EDT //www.koonmotors.com/releases/2023/05/230531102006.htm //www.koonmotors.com/releases/2023/05/230530203014.htm Scientists found the virus strains that arrived in 2021 soon acquired genes from viruses in wild birds in North America. The resulting reassortant viruses have spread across the continent and caused more severe disease. Tue, 30 May 2023 20:30:14 EDT //www.koonmotors.com/releases/2023/05/230530203014.htm //www.koonmotors.com/releases/2023/05/230524181935.htm A new study has shown that human T cells have an important role to play in controlling infection. Wed, 24 May 2023 18:19:35 EDT //www.koonmotors.com/releases/2023/05/230524181935.htm //www.koonmotors.com/releases/2023/05/230522131353.htm Researchers were able to identify changes in the accessibility (that is, the 'readability') of transposable elements. To do this, the researchers used an approach combining various sets of multiomics data, which characterize and quantify collections of biomolecules in cells or organisms. One was the transcriptome, which consists of all copies of RNA transcribed from DNA in the cell. The other was the epigenome, which is the collection of chemical changes to DNA that modify gene expression. An advantage of this multiomics approach is that they were able to identify families of transposable elements with changes in accessibility, which would have likely been missed by previous approaches. Mon, 22 May 2023 13:13:53 EDT //www.koonmotors.com/releases/2023/05/230522131353.htm //www.koonmotors.com/releases/2023/05/230511164547.htm Much of what is now considered modern medicine originated as folk remedies or traditional, Indigenous practices. These customs are still alive today, and they could help address a variety of conditions. Now, researchers have identified compounds in the leaves of a particular medicinal Labrador tea plant used throughout the First Nations of Nunavik, Canada, and demonstrated that one of them has activity against the parasite responsible for malaria. Thu, 11 May 2023 16:45:47 EDT //www.koonmotors.com/releases/2023/05/230511164547.htm //www.koonmotors.com/releases/2023/04/230425111207.htm Viruses like influenza A and Ebola invade human cells in a number of steps. Research teams investigated the final stages of viral penetration using electron tomography and computer simulations. So-called fusion pores, through which the viral genome is released into the host cell, play a central role in these processes. If they can be prevented from forming, the virus is also blocked. The Heidelberg scientists describe previously unknown mechanisms, which might lead to new approaches to prevent infections. Tue, 25 Apr 2023 11:12:07 EDT //www.koonmotors.com/releases/2023/04/230425111207.htm //www.koonmotors.com/releases/2023/04/230419201708.htm A new study shows that exposure to ultrafine particles (UFPs) during pregnancy enhances respiratory viral infection risk. According to the researchers, it is imperative that pregnant women in urban cities, where influenza and UFPs are more prevalent, are provided vaccinations and preventive measures limiting UFP exposure to protect maternal health. Wed, 19 Apr 2023 20:17:08 EDT //www.koonmotors.com/releases/2023/04/230419201708.htm //www.koonmotors.com/releases/2023/04/230419125054.htm A new study tracks arrival and spread of highly pathogenic Avian Influenza (H5N1) decimating wild birds, impacting poultry and pushing up egg prices. The team found that the deadly impact on wild birds and a shift from seasonal to year-round infections signal dangerous changes in avian influenza in the U.S. Wed, 19 Apr 2023 12:50:54 EDT //www.koonmotors.com/releases/2023/04/230419125054.htm //www.koonmotors.com/releases/2023/04/230413154230.htm New research has found that First Nations populations around the world are significantly more likely to be hospitalized and die from influenza compared to non-Indigenous populations. Thu, 13 Apr 2023 15:42:30 EDT //www.koonmotors.com/releases/2023/04/230413154230.htm //www.koonmotors.com/releases/2023/04/230406190358.htm The U.S. experienced an unprecedented number of group A streptococcal infections in children from October to December of 2022, which should alert physicians to check for the potentially deadly infectious disease as the country moves out of the pandemic. 星期四,2023年4月06 19:03:58美国东部时间 //www.koonmotors.com/releases/2023/04/230406190358.htm //www.koonmotors.com/releases/2023/03/230328145528.htm Have a cough, sore throat and congestion? Any number of respiratory viruses could be responsible. Today, scientists report using a single-atom-thick nanomaterial to build a device that can simultaneously detect the presence of the viruses that cause COVID-19 and the flu -- at much lower levels and much more quickly than conventional tests for either. Tue, 28 Mar 2023 14:55:28 EDT //www.koonmotors.com/releases/2023/03/230328145528.htm //www.koonmotors.com/releases/2023/03/230322190857.htm Memory B cells play a critical role to provide long-term immunity after a vaccination or infection. Researchers have now described a distinct and novel subset of memory B cells that predict long-lived antibody responses to influenza vaccination in humans. These effector memory B cells appear to be poised for a rapid serum antibody response upon secondary challenge one year later. Wed, 22 Mar 2023 19:08:57 EDT //www.koonmotors.com/releases/2023/03/230322190857.htm //www.koonmotors.com/releases/2023/03/230322104511.htm Researchers behind the UK's first pilot public health surveillance system based on analysis of wastewater say that routine monitoring at sewage treatment works could provide a powerful early warning system for the next flu or norovirus epidemic, alerting hospitals to prepare and providing public health agencies with vital health information. Wed, 22 Mar 2023 10:45:11 EDT //www.koonmotors.com/releases/2023/03/230322104511.htm //www.koonmotors.com/releases/2023/03/230315132401.htm Researchers have found that an outbreak of highly pathogenic avian influenza (HPAI) was associated with the deaths of more than 330 New England harbor and gray seals along the North Atlantic coast in June and July 2022, and the outbreak was connected to a wave of avian influenza in birds in the region. Wed, 15 Mar 2023 13:24:01 EDT //www.koonmotors.com/releases/2023/03/230315132401.htm //www.koonmotors.com/releases/2023/03/230308112058.htm Researchers discovered specific airway neurons in mice that alert the brain about the flu. Wed, 08 Mar 2023 11:20:58 EST //www.koonmotors.com/releases/2023/03/230308112058.htm //www.koonmotors.com/releases/2023/03/230307174326.htm Researchers are using glow-in-the-dark materials to enhance and improve rapid COVID-19 home tests. Tue, 07 Mar 2023 17:43:26 EST //www.koonmotors.com/releases/2023/03/230307174326.htm //www.koonmotors.com/releases/2023/02/230224135046.htm Influenza viruses are becoming increasingly resilient to medicines. For this reason, new active ingredients are needed. Important findings in this regard have been provided: for the virus to proliferate, the polymerase of the influenza A virus has to be modified many times through enzymes in the host cells. The team of researchers was able to produce a comprehensive map of types of modification. Medicines directed against the enzymes woud be resilient to rapid mutations in the virus, thus offering great potential for the future. Fri, 24 Feb 2023 13:50:46 EST //www.koonmotors.com/releases/2023/02/230224135046.htm //www.koonmotors.com/releases/2023/02/230214154032.htm A new class of SARS-CoV-2 antibodies has been shown to neutralize multiple variants of the virus, providing hope for a better antiviral medication to prevent and treat COVID-19 symptoms in at-risk individuals, according to a new study. Tue, 14 Feb 2023 15:40:32 EST //www.koonmotors.com/releases/2023/02/230214154032.htm //www.koonmotors.com/releases/2023/02/230209224355.htm Viruses use the molecular repertoire of the host cell to replicate. Researchers want to exploit this for the treatment of influenza. The team identified a compound that inhibits the body's own methyltransferase MTr1, thereby limiting the replication of influenza viruses. The compound proved effective in lung tissue preparations and mouse studies and showed synergistic effects with already approved influenza drugs. Thu, 09 Feb 2023 22:43:55 EST //www.koonmotors.com/releases/2023/02/230209224355.htm //www.koonmotors.com/releases/2023/01/230131124430.htm 一种新疫苗可能是第一个临床approved immunization to protect against invasive fungal infections, a growing concern as antifungal drug resistance increases. Fungal infections cause more than 1.5 million deaths worldwide each year and cost billions. They also double hospitalization costs, double the length of hospital stays and double the risk of death in hospitalized patients, according to a previous recent study. Tue, 31 Jan 2023 12:44:30 EST //www.koonmotors.com/releases/2023/01/230131124430.htm //www.koonmotors.com/releases/2023/01/230130130517.htm Medications like dextromethorphan, used to treat coughs caused by cold and flu, could potentially be repurposed to help people quit smoking cigarettes, according to a new study. Researchers developed a novel machine learning method, where computer programs analyze data sets for patterns and trends, to identify the drugs and said that some of them are already being tested in clinical trials. Mon, 30 Jan 2023 13:05:17 EST //www.koonmotors.com/releases/2023/01/230130130517.htm //www.koonmotors.com/releases/2023/01/230130130459.htm By repurposing one of the human body's natural cargo transports, a research team has developed a vaccine platform that could curb certain engineering challenges, storage demands and side effects of vaccines that combat HIV epidemics and the COVID-19 pandemic. Mon, 30 Jan 2023 13:04:59 EST //www.koonmotors.com/releases/2023/01/230130130459.htm //www.koonmotors.com/releases/2023/01/230116112547.htm A new test 'fishes' for multiple respiratory viruses at once using single strands of DNA as 'bait', and gives highly accurate results in under an hour. Mon, 16 Jan 2023 11:25:47 EST //www.koonmotors.com/releases/2023/01/230116112547.htm //www.koonmotors.com/releases/2023/01/230111131529.htm Vaccines that provide long-lasting protection against influenza, coronaviruses and respiratory syncytial virus (RSV) have proved exceptionally difficult to develop. Researchers now explore the challenges and outline approaches to improved vaccines. Wed, 11 Jan 2023 13:15:29 EST //www.koonmotors.com/releases/2023/01/230111131529.htm //www.koonmotors.com/releases/2023/01/230104115238.htm Researchers have found that immune systems of men who had recovered from mild cases of COVID-19 responded more robustly to flu vaccines than women who had had mild cases or men and women who had never been infected. In essence, the baseline immune statuses in men previously infected with SARS-CoV-2 was altered in ways that changed the response to an exposure different from SARS-CoV-2, the researchers report. Wed, 04 Jan 2023 11:52:38 EST //www.koonmotors.com/releases/2023/01/230104115238.htm //www.koonmotors.com/releases/2022/12/221226094532.htm While most germinal centers shut down after a few weeks, some stay in business for more than six months. A new study helps explain why. Mon, 26 Dec 2022 09:45:32 EST //www.koonmotors.com/releases/2022/12/221226094532.htm //www.koonmotors.com/releases/2022/12/221221090555.htm A new study shows that aerosols in indoor air can vary in acidity. This acidity determines how long viruses remain infectious in the air -- with profound implications for virus transmission and strategies to contain it. Wed, 21 Dec 2022 09:05:55 EST //www.koonmotors.com/releases/2022/12/221221090555.htm //www.koonmotors.com/releases/2022/12/221206083120.htm A newly discovered immune response inside the nose is suppressed by colder temperatures, offering evidence for why colds, flu and COVID-19 are more common in cooler months. Tue, 06 Dec 2022 08:31:20 EST //www.koonmotors.com/releases/2022/12/221206083120.htm //www.koonmotors.com/releases/2022/11/221125132033.htm An experimental mRNA-based vaccine against all 20 known subtypes of influenza virus provided broad protection from otherwise lethal flu strains in initial tests, and thus might serve one day as a general preventative measure against future flu pandemics, according to researchers. Fri, 25 Nov 2022 13:20:33 EST //www.koonmotors.com/releases/2022/11/221125132033.htm //www.koonmotors.com/releases/2022/11/221116164914.htm People who have a COVID-19 infection are more likely to develop seizures or epilepsy within the next six months than people who have an influenza infection, according to a new study. Wed, 16 Nov 2022 16:49:14 EST //www.koonmotors.com/releases/2022/11/221116164914.htm //www.koonmotors.com/releases/2022/11/221115184519.htm The study showed that over the entire year the influenza vaccine reduced pneumonia by 40 per cent and hospitalization by 15 per cent in patients with heart failure. During influenza season in the fall and winter, the influenza vaccine reduced deaths by 20 per cent in these patients. Tue, 15 Nov 2022 18:45:19 EST //www.koonmotors.com/releases/2022/11/221115184519.htm //www.koonmotors.com/releases/2022/11/221115114026.htm Children with a severe form of epilepsy should be vaccinated against the flu due to the high risk of seizures being triggered by an influenza infection, according to a new study. Tue, 15 Nov 2022 11:40:26 EST //www.koonmotors.com/releases/2022/11/221115114026.htm //www.koonmotors.com/releases/2022/11/221110205406.htm Researchers have captured the first real-time footage of viruses on the move, right before they hijack a cell. Thu, 10 Nov 2022 20:54:06 EST //www.koonmotors.com/releases/2022/11/221110205406.htm //www.koonmotors.com/releases/2022/11/221110114308.htm An inflammatory lipid appears to reduce the number of macrophages inside the lungs with age. Thu, 10 Nov 2022 11:43:08 EST //www.koonmotors.com/releases/2022/11/221110114308.htm //www.koonmotors.com/releases/2022/11/221110114236.htm A new study shows the health consequences of COVID-19 reinfection. The researchers found that repeat SARS-CoV-2 infections contribute significant additional risk of adverse health conditions in multiple organ systems. Such outcomes include hospitalization; disorders affecting the lungs, heart, brain, and the body's blood, musculoskeletal and gastrointestinal systems; and even death. Reinfection also contributes to diabetes, kidney disease and mental health issues. Thu, 10 Nov 2022 11:42:36 EST //www.koonmotors.com/releases/2022/11/221110114236.htm //www.koonmotors.com/releases/2022/11/221109124408.htm 早期流行的调查发现,受访者的我ntentions to receive COVID-19 vaccines were linked more to their media literacy and opinion of health experts than knowledge of the virus or previous vaccination behavior. In the study, researchers also found that for respondents who had recently refused a flu vaccine, higher COVID-19 knowledge actually correlated with lower future vaccine intentions. The results indicate that people were engaging in what's called motivated reasoning: the psychological process by which people consciously and selectively use facts to lead to a conclusion that reinforces their desired beliefs rather than rationally analyzing the evidence. Wed, 09 Nov 2022 12:44:08 EST //www.koonmotors.com/releases/2022/11/221109124408.htm //www.koonmotors.com/releases/2022/11/221109124406.htm Finding a turkey this holiday season could be difficult because of avian flu outbreaks on farms. Migratory wild birds could be to blame for transmitting the virus to commercial flocks, but no one has looked closely at this wandering population until now. Researchers now report that cooler temperatures and certain species gathering in the same winter habitat could increase the circulation of H7 and H9 strains. Wed, 09 Nov 2022 12:44:06 EST //www.koonmotors.com/releases/2022/11/221109124406.htm //www.koonmotors.com/releases/2022/11/221102110519.htm Researchers have discovered a high prevalence of COVID-19 co-infections in central Missouri during the 2021-2022 flu season, with a monthly co-infection rate as high as 48 percent among individuals with COVID-19. Wed, 02 Nov 2022 11:05:19 EDT //www.koonmotors.com/releases/2022/11/221102110519.htm //www.koonmotors.com/releases/2022/10/221028111654.htm The parasite Toxoplasma is carried by a large portion of the global human population. Now a study shows how this microscopic parasite so successfully spreads in the body, for example to the brain. The parasite infects immune cells and hijacks their identity. 星期五,2022年10月28日11:16:54 EDT //www.koonmotors.com/releases/2022/10/221028111654.htm //www.koonmotors.com/releases/2022/10/221027150326.htm A nasal vaccine can help bolster immune responses to COVID-19 in previously vaccinated animals and reduce viral transmission, researchers report. The new vaccine approach -- which is known as 'prime and spike' -- is designed to jumpstart immune response in the respiratory system, which is the first part of the body to be infected by the virus. Thu, 27 Oct 2022 15:03:26 EDT //www.koonmotors.com/releases/2022/10/221027150326.htm //www.koonmotors.com/releases/2022/10/221026142751.htm Scientists plan to use their new map of the Lassa virus surface glycoprotein to design a much-needed vaccine. Wed, 26 Oct 2022 14:27:51 EDT //www.koonmotors.com/releases/2022/10/221026142751.htm //www.koonmotors.com/releases/2022/10/221024131019.htm An intranasal vaccine against SARS-CoV-2 could quickly get to the respiratory tract, where the virus most commonly causes symptoms. And a spray or droplets could be a more palatable option for people who fear needles. But so far, only a few countries have approved COVID nasal vaccines. Now researchers report that they've developed one that can fight off the original virus and two variants in hamsters. Mon, 24 Oct 2022 13:10:19 EDT //www.koonmotors.com/releases/2022/10/221024131019.htm //www.koonmotors.com/releases/2022/10/221017142444.htm COVID-19 has caused a protracted shock to life expectancy levels, leading to global mortality changes unprecedented in the last 70 years, according to new research. Mon, 17 Oct 2022 14:24:44 EDT //www.koonmotors.com/releases/2022/10/221017142444.htm //www.koonmotors.com/releases/2022/10/221006141511.htm Researchers have identified the gene TDRD7 as a key regulator against influenza A virus (IAV), which causes respiratory tract infections in 5 to 20 percent of the human population. Thu, 06 Oct 2022 14:15:11 EDT //www.koonmotors.com/releases/2022/10/221006141511.htm //www.koonmotors.com/releases/2022/10/221004151308.htm New findings by tobacco researchers may lead to urgent recommendations for doctors to help patients quit smoking as a way of countering COVID-19. Tue, 04 Oct 2022 15:13:08 EDT //www.koonmotors.com/releases/2022/10/221004151308.htm //www.koonmotors.com/releases/2022/09/220929132526.htm Scripps Research team showed that a variation of an already FDA-approved therapeutic for neurological disease can block COVID-19 infection in animals. Thu, 29 Sep 2022 13:25:26 EDT //www.koonmotors.com/releases/2022/09/220929132526.htm