Tag

Pathogens

All articles tagged with #pathogens

crime28 days ago•3 min saved

Las Vegas raid mirrors California biolab case, prompting questions about federal response

A Las Vegas home raid uncovered a lab setup with refrigerators, a freezer and lab equipment similar to a Reedley, California facility found in 2023, including pathogen-labeled containers and about 1,000 mice. The Las Vegas case is linked to Jia Bei Zhu, indicted in 2023 for distributing adulterated and misbranded medical items; authorities collected more than 1,000 samples and sent them to Maryland’s National Bioforensic Analysis Center. Officials say there may be more labs, while California officials criticized the federal response; a second Las Vegas home was searched with no suspicious materials found and a property manager, Ori Solomon, was arrested on an initial hazardous-waste disposal charge.

via cbsnews.com|

#biolab #california #crime

history4 months ago•3 min saved

DNA analysis uncovers pathogens that doomed Napoleon’s 1812 army

A study analyzing DNA from Napoleon's 1812 army soldiers' teeth revealed that enteric fever and relapsing fever, caused by Salmonella enterica and Borrelia recurrentis respectively, likely contributed to their demise, challenging previous assumptions that typhus was the main cause.

via Phys.org|

#ancientdna #history #infectiousdiseases

science4 months ago•3 min saved

Ancient Mexican feces uncover 1,300-year-old parasites and diseases

Scientists analyzing 1,300-year-old feces from Mexico's Cave of the Dead Children found evidence of various intestinal pathogens, including E. coli, Shigella, and Giardia, indicating poor sanitation and disease exposure among prehistoric people of the Loma San Gabriel culture.

via Live Science|

#ancient-dna #archaeology #mexico

health1 year ago

Study Reveals New Pathogens in Semen Linked to STIs

A recent study has identified additional pathogens in semen that are capable of being transmitted sexually, expanding the understanding of potential risks associated with sexual activity. This research highlights the importance of further investigation into sexually transmitted infections and their prevention.

via The Janesville Gazette|

#health #pathogens #semen

health1 year ago•4 min saved

Revolutionary DNA Test Diagnoses Complex Infections with Precision

A new diagnostic test developed at UCSF uses DNA sequencing to identify a wide range of pathogens causing illnesses, particularly effective in diagnosing neurological infections like meningitis. Although not FDA-approved and costly, it has shown promise in cases where traditional tests fail. The test, which has a 'breakthrough device' designation, could potentially detect novel viruses and aid in diagnosing complex infections, but its complexity and cost limit widespread use. Researchers aim to reduce costs and improve accessibility for broader hospital use.

via NBC News|

#diagnostic-test #dna-sequencing #health

space-exploration-and-biosecurity1 year ago•4 min saved

"Nasa Urged to Address Space Pathogen Risks Immediately"

A new report from the US Bipartisan Commission on Biosecurity urges immediate action to address biological threats from space exploration, highlighting the risks of extraterrestrial pathogens and the impact of space travel on human immune systems. The report calls for NASA to establish a Planetary Biodefense Board and enhance containment protocols to prevent the spread of potentially dangerous microbes. While some experts believe the risks are low, the Commission stresses the need for proactive measures as space travel becomes more routine.

via The Telegraph|

#biosecurity #extraterrestrial-microbes #nasa

sciencearchaeology1 year ago•5 min saved

"50,000-Year-Old Herpes Virus Found in Neanderthal Bones"

Scientists have discovered 50,000-year-old viruses in Neanderthal bones, including adenovirus, herpesvirus, and papillomavirus, which still affect humans today. This groundbreaking research suggests that deadly infectious diseases carried by Homo sapiens may have contributed to the extinction of Neanderthals, challenging the long-held belief that superior cognitive abilities were the primary reason for Homo sapiens' dominance. The study highlights the profound impact of pathogens on human history and evolution.

via The Guardian|

#ancient-dna #human-evolution #infectious-diseases

health1 year ago•3 min saved

"WHO Updates Terminology for Airborne Pathogens"

The World Health Organization, in collaboration with major public health agencies and experts, has introduced updated terminology for pathogens that transmit through the air, including those causing respiratory infections like COVID-19 and influenza. The new descriptors aim to provide a common language for discussing the transmission of infectious respiratory particles and include terms such as "infectious respiratory particles" and "airborne transmission." This effort addresses the need for consistent terminology across scientific disciplines and will guide research agendas and public health interventions.

via World Health Organization (WHO)|

#health #pathogens #public-health-agencies

health1 year ago•2 min saved

"WHO Redefines Airborne Disease Transmission Post-COVID"

The World Health Organization (W.H.O.) has broadened its classification of how pathogens spread through the air, updating its formal guidelines for classifying the ways that diseases spread. The new report suggests broader categories that do not rely on droplet size or distance spread, potentially leading to more diseases demanding costly control measures. This change comes after a drawn-out global controversy over the classification of Covid-19 as an airborne disease, with the W.H.O. finally acknowledging it in late 2021.

via The New York Times|

#airborne-diseases #covid-19 #disease-transmission

health1 year ago•2 min saved

"NHS Doctor Warns of Bacterial 'Sewage Volcano' Risk from Poor Toilet Habits"

NHS doctor Karan Raj warns that flushing the toilet with the lid open can create a "raging sewage volcano" of pathogens, including E Coli, adenovirus, and norovirus, which can spread onto items like towels and toothbrushes. Research shows that closing the toilet seat can reduce the spread of airborne particles by 30-60%, emphasizing the importance of this simple adjustment in bathroom habits for overall hygiene and health safety.

via The Mirror|

#bathroom-habits #health #hygiene

science1 year ago•4 min saved

"Deadly Kamikaze Bacteria Unleash Lethal Toxins in Explosive Bursts"

Researchers have discovered that the insect pathogen Yersinia entomophaga uses a unique lytic secretion system to release its large-molecule toxin, YenTc, into its host. This mechanism involves designated "soldier cells" sacrificing themselves and exploding to deploy the poison inside their victim. The study sheds light on how certain bacteria engage in kamikaze chemical warfare, and the findings could potentially lead to the development of treatments targeting similar mechanisms in human pathogens.

via Ars Technica|

#bacteria #pathogens #research

health2 years ago•0 min saved

"Duke School of Medicine Lab Suspends Operations Due to Pathogen Concerns"

The Duke University School of Medicine has temporarily suspended operations at an anatomy training lab after 13 cadavers tested positive for pathogens between 2019 and 2023, in violation of procedures. The school reported low risk to workers due to the use of personal protective equipment and no known infections, but is testing approximately 700 people who may have worked in the lab for Hepatitis B, Hepatitis C, syphilis, and HIV. The lab will reopen once safety protocols are assured.

via WRAL News|

#cadavers #duke-university-school-of-medicine #health

space-exploration2 years ago•3 min saved

"Potential for Earth Bacteria to Thrive on Mars Poses Future Mission Risks"

Earthly bacteria brought to Mars by humans could potentially thrive in the Martian environment, posing a significant threat to future human colonization efforts. A study found that certain bacteria, including pathogens known to cause infections in humans, were able to survive and even grow in simulated Martian conditions. The presence of these bacteria could lead to serious health risks for astronauts, highlighting the need for strict protocols to prevent the spread of pathogens in space exploration missions.

via IFLScience|

#astrobiology #bacteria #human-colonization

health2 years ago•2 min saved

"Link Between Nose Picking and Alzheimer's Disease Uncovered"

A review of studies suggests that chronic nose-picking may introduce germs into the nasal cavity, leading to inflammation in the brain and potentially increasing the risk of developing Alzheimer's disease. The report, published in the journal Biomolecules, highlights the potential role of pathogens entering the brain through the nose and the olfactory system in causing neuroinflammation associated with Alzheimer's. Researchers emphasize the importance of hand hygiene and urge people to refrain from nose-picking to reduce the risk of chronic, mild brain infections that may contribute to neurodegenerative diseases.

via Yahoo News|

#alzheimers-disease #hand-hygiene #health

health2 years ago•2 min saved

Nose Picking Linked to Alzheimer's Disease

A review of studies suggests that chronic nose-picking may introduce pathogens into the nasal cavity, leading to neuroinflammation and an increased risk of developing Alzheimer's disease. The report, published in the journal Biomolecules, highlights the potential link between nasal germs and brain infections that contribute to neurodegenerative diseases. Researchers emphasize the importance of hand hygiene and urge people to refrain from nose-picking to reduce the risk of such infections.

via Yahoo! Voices|

#alzheimers-disease #hand-hygiene #health