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How to neutralize the SARS-CoV-2 virus

In the absence of effective treatments for COVID-19, many countries have approved the therapeutic use of blood plasma from recovering patients because it contains antibodies against the coronavirus. But not every type of antibody can neutralize the v.....»»

Category: biomedSource:  sciencedailyFeb 25th, 2021

What shapes a virus"s pandemic potential? SARS-CoV-2 relatives yield clues

Two of the closest known relatives to SARS-CoV-2—a pair of bat coronaviruses discovered by researchers in Laos—may transmit poorly in people despite being genetically similar to the COVID-19-causing virus, a new Yale study reveals......»»

Category: topSource:  physorgRelated NewsJul 29th, 2024

Virus that causes COVID-19 is widespread in wildlife, scientists find

SARS-CoV-2, the virus responsible for COVID-19, is widespread among wildlife species, according to Virginia Tech research published July 29, 2024 in Nature Communications. The virus was detected in six common backyard species, and antibodies indicati.....»»

Category: topSource:  physorgRelated NewsJul 29th, 2024

Dengue Fever Threatens to Gate-Crash the 2024 Summer Olympics

Measles, bedbugs, and dengue have all been cited as concerns for tourists and athletes at the 2024 Summer Olympics in Paris, with the tropical virus in particular forcing authorities into action......»»

Category: gadgetSource:  wiredRelated NewsJul 27th, 2024

New rapid method for determining virus infectivity

A new method that can rapidly determine whether a virus is infectious or non-infectious could revolutionize the response to future pandemics......»»

Category: topSource:  physorgRelated NewsJul 23rd, 2024

Scientists uncover fundamental rules for how dengue virus infects its mosquito and human hosts

Mosquito-borne viral infections once confined to tropical regions are spreading. Dengue virus infects up to 400 million people worldwide each year according to World Health Organization estimates, and no available treatments exist for this disease......»»

Category: topSource:  marketingvoxRelated NewsJul 22nd, 2024

Researchers identify structural characteristics of newly emerged SARS-CoV-2 variants

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) continues to adapt to the herd immunity background and evolve into numerous sub-variants......»»

Category: topSource:  physorgRelated NewsJul 18th, 2024

Five people infected as bird flu appears to go from cows to chickens to humans

High temperatures made it hard for workers to use protective gear during culling. Enlarge (credit: Getty | Edwin Remsberg) The highly pathogenic avian influenza H5N1 virus that spilled from wild birds into US dairy cows.....»»

Category: topSource:  arstechnicaRelated NewsJul 17th, 2024

Study: Nanoparticle vaccines enhance cross-protection against influenza viruses

To offer cross-protection against diverse influenza virus variants, nanoparticle vaccines can produce pivotal cellular and mucosal immune responses that enhance vaccine efficacy and broaden protection, according to a study by researchers in the Insti.....»»

Category: topSource:  physorgRelated NewsJul 10th, 2024

Pasteurization Kills Bird Flu Virus in Milk, New Studies Confirm

Flash pasteurization destroyed H5N1 viral particles that were highly concentrated in raw milk, confirming that standard techniques can keep dairy products safe from bird flu.....»»

Category: scienceSource:  sciamRelated NewsJul 10th, 2024

How Some People’s Body Resists Getting COVID

When scientists exposed people to the virus that causes COVID, only a subset got sick. Studying them could offer clues to immunity.....»»

Category: scienceSource:  sciamRelated NewsJul 10th, 2024

Team pioneers a "one-pot platform" to promptly produce mRNA delivery particles

Imagine a scenario where a skilled hacker must upload critical software to update a central server and thwart a potentially lethal virus from wreaking havoc across a vast computer network. The programmer, armed with the lifesaving code, must navigate.....»»

Category: topSource:  physorgRelated NewsJul 9th, 2024

Receptors make dairy cows a prime target for influenza, team finds

As highly pathogenic avian influenza has spread in dairy herds across the U.S., the virus is being detected in raw milk. A new study by a broad team of researchers at Iowa State University's College of Veterinary Medicine helps explain why......»»

Category: topSource:  physorgRelated NewsJul 9th, 2024

"Sacrifice" of virus data clears the path to open a disease discovery pipeline

Tens of millions of still-unknown or misunderstood viruses can cause diseases—including new pandemics—and affect the health of valuable terrestrial and marine environments......»»

Category: topSource:  physorgRelated NewsJul 9th, 2024

Study reveals how stress pathways activate a cell"s emergency response procedures

Mayday! SOS! Distress signals like these are used around the world to indicate an emergency. The cells that make up your body also have their own versions of emergency signals. These get activated if a cell is infected by a virus or bacteria, or if t.....»»

Category: topSource:  physorgRelated NewsJul 8th, 2024

US reports fourth human case of bird flu linked to cows

US officials on Wednesday reported the country's fourth human case of bird flu linked to the current outbreak of the virus in dairy cattle......»»

Category: topSource:  physorgRelated NewsJul 4th, 2024

Exploring the molecular basis of how pradimicin A binds to viral N-glycan, a potential SARS-CoV-2 entry inhibitor

HIV, Ebola and most recently, COVID-19 viruses have had an enormous impact on our societies world-wide. All these viruses are "enveloped viruses," viruses that have an exterior envelope that surrounds them largely composed of their host's cells. This.....»»

Category: topSource:  physorgRelated NewsJul 4th, 2024

A new way to see viruses in action: Super-resolution microscopy provides a nano-scale look

A new, nano-scale look at how the SARS-CoV-2 virus replicates in cells may offer greater precision in drug development, a Stanford University team reports in Nature Communications. Using advanced microscopy techniques, the researchers produced what m.....»»

Category: topSource:  physorgRelated NewsMay 31st, 2024

Novel virus identified in zebrafish from the pet trade causes disease in laboratory fish

Zebrafish in the pet trade are asymptomatic carriers of previously undescribed microbes, including a novel virus that causes hemorrhaging in infected laboratory fish, Marlen Rice from the University of Utah, US, and colleagues report in the open-acce.....»»

Category: topSource:  physorgRelated NewsMay 30th, 2024

New modified CRISPR protein can fit inside virus used for gene therapy

Researchers have developed a novel version of a key CRISPR gene-editing protein that shows efficient editing activity and is small enough to be packaged within a non-pathogenic virus that can deliver it to target cells. Hongjian Wang and colleagues a.....»»

Category: topSource:  physorgRelated NewsMay 30th, 2024

US dairy cows are tip of the iceberg as bird flu spreads in mammals globally, says ecologist

Health authorities are working to gather information on the spread of the H5N1 virus, or bird flu, in U.S. dairy cows—the first confirmation of the virus in cattle......»»

Category: topSource:  physorgRelated NewsMay 27th, 2024