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Infectious Disease: Influenza

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Total 929 results found since Jan 2013.

H5N1 – It ’ s All About the Transmission
by Gertrud U. Rey Recent news headlines have been highlighting the global spread of H5N1, the strain of influenza virus that is typically associated with “bird flu.” This outbreak is the largest in recorded history, involving at least 50 million dead birds and countless non-human mammals, including sea lions, otters, mink, foxes, cats, dogs, and […]
Source: virology blog - March 2, 2023 Category: Virology Authors: Gertrud U. Rey Tags: Basic virology Gertrud Rey avian influenza H5N1 bird flu human-to-human transmission lower respiratory tract pandemic sialic acid upper respiratory tract vaccine Source Type: blogs

Updates and an artificial album cover
As regular readers will know, I’ve been running the Sciencebase site since July 1999. Its precursor, Elemental Discoveries, had various homes on the web from December 1995 until that fateful summer. There are almost 4000 articles in the archives, so it’s quite a hefty site for a one-man show. Anyway, having played around with various website options in the last couple of weeks, I’ve finally done a proper spring clean, got rid of some very out-of-date articles and updated others that were worth keeping. I’ve upgraded security and performance stuff so the site should load much faster than ever before...
Source: David Bradley Sciencebase - Songs, Snaps, Science - March 1, 2023 Category: Science Authors: David Bradley Tags: Artificial Intelligence Sciencebase Source Type: blogs

Myocarditis update from Sweden
BY ANISH KOKA The COVID19/vaccine myocarditis debate continues in large part because our public health institutions are grossly mischaracterizing the risks and benefits of vaccines to young people. A snapshot of what the establishment says as it relates to the particular area of concern: college vaccine mandates: Dr. Arthur Reingold, an epidemiology professor at UC-Berkeley, notes that UC also requires immunizations for measles and chickenpox, and people still are dying from COVID at rates that exceed those for influenza. As of Feb. 1, there were more than 400 COVID deaths a day across the U.S. “The arg...
Source: The Health Care Blog - February 27, 2023 Category: Consumer Health News Authors: Ryan Bose-Roy Tags: Medical Practice Anish Koka covid19 myocarditis Sweden Source Type: blogs

Avian influenza, bird flu, H5N1
A bird flu pandemic has killed thousands of wild birds over the last couple of years. Scientists have now seen infection in mammals, and very recently a person died from avian influenza and several close contacts show signs of  infection. The concern is that we might be headed for another H5N1 pandemic. Previous strains of H5N1 that infected people had a mortality rate of 60 percent. Avian influenza, bird flu, H5N1 There are fifteen known variants of avian influenza. The most virulent, and usually fatal in birds, are the H5 and H7 strains. There are then nine variants of the H5 strain and the type of most concern because ...
Source: David Bradley Sciencebase - Songs, Snaps, Science - February 27, 2023 Category: Science Authors: David Bradley Tags: Bird Flu Health and Medicine Vaccines Source Type: blogs

TWiV 984: Clinical update with Dr. Daniel Griffin
In his weekly clinical update Dr. Griffin discusses the political polarization of COVID-19 treatments among physicians and laypeople in the United States, seven alternatives to evidence-based medicine, Malawi’s cholera death toll crosses 1,300 in its deadliest outbreak on record, impact of coronavirus infections on pediatric patients at a tertiary pediatric hospital, maternal mRNA COVID-19 vaccination during […]
Source: virology blog - February 18, 2023 Category: Virology Authors: Vincent Racaniello Tags: This Week in Virology antiviral coronavirus COVID-19 delta inflammation influenza Long Covid monkeypox monoclonal antibody Omicron pandemic poliovirus SARS-CoV-2 vaccine vaccine booster variant of concern viruses Source Type: blogs

Fight Aging! Newsletter, February 13th 2023
This study investigated whether taller Polish adults live longer than their shorter counterparts. Data on declared height were available from 848,860 individuals who died in the years 2004-2008 in Poland. To allow for the cohort effect, the Z-values were generated. Separately for both sexes, Pearson's r coefficients of correlation were calculated. Subsequently, one way ANOVA was performed. The correlation between adult height and longevity was negative and statistically significant in both men and women. After eliminating the effects of secular trends in height, the correlation was very weak (r = -0.0044 in men and ...
Source: Fight Aging! - February 12, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Viral Infection in Middle Age Correlates with Later Dementia Risk
A range of evidence suggests that persistent viral infection contributes to the risk of suffering neurodegenerative conditions such as Alzheimer's disease. This may be due to mechanisms relating to amyloid-β accumulation, in its role as an anti-microbial peptide, a part of the innate immune system. It may have more to do with lasting chronic inflammation subsequent to infection. Researchers here note another addition to the epidemiological data on this topic, in this case linking severe infections requiring hospitalization with later dementia risk. The effect sizes here are large and last for a long time following infecti...
Source: Fight Aging! - February 10, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Dear Patient, If You Have to Treat a Cold, Know  This:
BY HANS DUVEFELT Americans hate being sick. There are too many cold medicines out there to remember by name. But there are really only a handful of different drug classes to consider. In order to choose any one of them, be clear about what you want to accomplish. It’s actually very simple. 1) Make my cold go away faster: Zink, echinacea, visualization/manifesting, sauna, prayer (may be mostly placebo effect ). 2) Stop my nose from running (including post nasal drip): You’ll want the crud to leave your body as soon as possible, so turning off the drain pipe that your nose has become can increase the risk of ...
Source: The Health Care Blog - February 9, 2023 Category: Consumer Health News Authors: Ryan Bose-Roy Tags: Medical Practice Cold Hans Duvefelt Medical Education Source Type: blogs

Aging as a Disease: a Zoo Contains Animals, But is Not Itself an Animal
The author of today's open access commentary is quite prolifically opinionated on the topic of mTOR and its status as a central pillar of programmed aging, particularly the hyperfunction version of programmed aging theories. Nonetheless, he sometimes has interesting things to say, as is the case here on the topic of whether aging is a disease. A great deal of ink has been spilled of late on the question of whether or not aging is a disease. This is the case not because everyone suddenly developed an interest in semantics, but rather because it directly affects the regulation of medical development, and thus the flow of fun...
Source: Fight Aging! - February 6, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

Reducing Viral Spread in Schools: France Makes Proactive Move to Measure and Reduce CO2 Levels in School and Daycare
One of my favorite gadgets from the pandemic is the AraNet 4 CO2 monitor. I carry it with me whenever I am curious about an indoor space. This easy-to-use monitor gives a simple red-yellow-green reading of the CO2 level. At a green level (<1000 ppm) it is harder to transmit an airborne viral infection. At a red level (>1400 ppm) it is much easier to catch a virus if someone else in the room is sick. I use this in restaurants and on airplanes, for instance, to help guide my actions. As a bonus, CO2 levels also correlate with alertness and productivity. When CO2 levels drift into the yellow range (>1000 ppm), cognit...
Source: Conversations with Dr Greene - January 9, 2023 Category: Child Development Authors: Alan Greene MD Tags: Dr. Greene's Blog Air Quality Allergies Virus Source Type: blogs

When Two Different Viruses Have Offspring
by Gertrud U. Rey Have you ever wondered what would happen if you were infected with two different viruses at the same time? A recent study aimed at addressing this question has produced some astounding new findings. The authors of the study wanted to observe the interactions between respiratory syncytial virus (RSV) and influenza A […]
Source: virology blog - January 5, 2023 Category: Virology Authors: Gertrud U. Rey Tags: Basic virology Gertrud Rey antigenicity co-infection HA hemagglutinin hybrid virus hybrid virus particle IAV influenza A neuraminidase rsv RSV F protein sialic acid virus-virus interaction Source Type: blogs

Fight Aging! Newsletter, January 2nd 2023
In conclusion, circulating monocytes in older adults exhibit increased expression of activation, adhesion, and migration markers, but decreased expression of co-inhibitory molecules. MERTK Inhibition Increases Bone Density via Increased Osteoblast Activity https://www.fightaging.org/archives/2022/12/mertk-inhibition-increases-bone-density-via-increased-osteoblast-activity/ Bone density results from the balance of constant activity on the part of osteoblasts and osteoclasts, the former building bone, the latter breaking it down. With advancing age, the balance of activity shifts to favor osteoclasts, prod...
Source: Fight Aging! - January 1, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs