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MRI for all: Cheap portable scanners aim to revolutionize medical imaging
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The patient, a man in his 70s with a shock of silver hair, lies in the neuro intensive care unit (neuro ICU) at Yale New Haven Hospital. Looking at him, you’d never know that a few days earlier a tumor was removed from his pituitary gland. The operation didn’t leave a mark because, as is standard, surgeons reached the tumor through his nose. He chats cheerfully with a pair of research associates who have come to check his progress with a new and potentially revolutionary device they are testing.
The cylind...
Source: Science of Aging Knowledge Environment - February 23, 2023 Category: Geriatrics Source Type: research
What ’s next for COVID-19 vaccines? Scientists and regulators chart a course amid uncertainty
Just over 2 years ago, the first COVID-19 vaccines arrived—and a roller coaster ride of hope and science began. It soon became clear that although the vaccines protected against severe disease, their ability to fend off infection was limited and faded fast. Meanwhile, SARS-CoV-2 began to evolve rapidly to elude immunity. By now, many people have had four or five vaccine doses, including an updated booster tailored to Omicron strains that was introduced last fall.
Now, regulators and scientists are debating the near-term future. How often will we need booster doses and who should receive them? Should vaccines continu...
Source: Science of Aging Knowledge Environment - January 25, 2023 Category: Geriatrics Source Type: research
News at a glance: Earth ’s top geological sites, cameras on sharks, and China’s space station
NATURAL HISTORY
Science society lists Earth’s top ‘geoheritage’ sites
The International Union of Geological Sciences last week marked its 60th anniversary by announcing
a list of 100 “geoheritage” sites that have substantially influenced understanding of Earth’s deep history
. The global list, released in collaboration with UNESCO, is meant to foster conservation and tourism. The sites include familiar ones, such as the Grand Canyon’s “great unconformity,” a billion-year gap in the rock record erased by erosion. More exotic examples include limestones in Germany that preserve
Arc...
Source: Science of Aging Knowledge Environment - November 3, 2022 Category: Geriatrics Source Type: research
News at a glance: New gene therapy, Europe ’s drought, and a black hole’s photon ring
ARCHAEOLOGY
Drought exposes ‘Spanish Stonehenge’ for study
Scientists are rushing to examine a 7000-year-old stone circle in central Spain that had been drowned by a reservoir for decades and was uncovered after the drought plaguing Europe lowered water levels. Nicknamed the “Spanish Stonehenge”—although 2000 years older than the U.K. stone circle—the Dolmen of Guadalperal (above) was described by archaeologists in the 1920s. The approximately 100 standing stones, up to 1.8 meters tall and arranged around an oval open space, were submerged in the Valdecañas reservoir after the construction of a ...
Source: Science of Aging Knowledge Environment - August 25, 2022 Category: Geriatrics Source Type: research
British Regulators Authorize Moderna ’ s Updated COVID-19 Booster
LONDON — British drug regulators have become the first in the world to authorize an updated version of Moderna’s coronavirus vaccine that aims to protect against the original virus and the Omicron variant.
In a statement on Monday, the Medicines and Healthcare Regulatory Agency said it had given the green light to Moderna’s combination “bivalent” vaccine, which will be used as an adult booster shot.
Each dose of the booster shot will target both the original COVID-19 virus that was first detected in 2020 and the Omicron BA.1 variant that was first picked up in November. British regulators said...
Source: TIME: Health - August 15, 2022 Category: Consumer Health News Authors: Maria Cheng/AP Tags: Uncategorized COVID-19 healthscienceclimate wire Source Type: news
News at a glance: Declining childhood vaccinations, rising ‘superbug’ infections, and a disputed Brazilian fossil
GLOBAL HEALTH
Pandemic contributes to big drop in childhood vaccinations
In what UNICEF Executive Director Catherine Russell called a “red alert,” childhood vaccination rates in many countries worldwide have dropped to the lowest level since 2008, in part because of the COVID-19 pandemic. UNICEF and the World Health Organization together track inoculations against diphtheria, pertussis, and tetanus—which are administered as one vaccine—as a marker for vaccination coverage overall. In 2021, only 81% of children worldwide received the recommended three doses of the combined vaccine, down from 86% in 20...
Source: Science of Aging Knowledge Environment - July 21, 2022 Category: Geriatrics Source Type: research
News at a glance: Debate over classifying research, giant water lilies, and new hummingbird feather colors
ECOLOGY
Scientists find new hummingbird colors
The plumage of hummingbirds has more color diversity than the feathers of all other birds combined, a recent study finds. Researchers from Yale University collected feathers from specimens of 114 hummingbird species and, using a spectrometer, documented the wavelengths of light they reflected. These wavelengths were then compared with those found in a previous study of 111 other bird species, including penguins and parrots. The researchers were surprised to find new colors in the hummers, which widened the known avian color gamut by 56% and included rarely seen ...
Source: ScienceNOW - July 6, 2022 Category: Science Source Type: news
Roche provides molecular testing solutions to identify and differentiate SARS-CoV-2 Omicron variants of concern
Roche and its subsidiary,TibMolbiol, confirm that it has tests for research use that identify the SARS-CoV-2subvariants of concern, Omicron: BA.1, BA.1.1, BA.2, BA.2.2, BA.3 and DeltaThe World Health Organization (WHO) has recently reported that the BA.2subvariant is steadily increasing in prevalence, specifically in Denmark Use of these tests assess the spread of circulating variants and can help monitor the potential impact of therapeutics, vaccines and public health interventionsAll Roche SARS-Cov-2 tests correctly identify the virus including these newsubvariantsBasel, 16 March 2022 - Roche (SIX: RO, ROG; OTCQX: RHHBY)...
Source: Roche Investor Update - March 16, 2022 Category: Pharmaceuticals Source Type: news
Roche has rapidly developed additional testing options to differentiate mutations in the Omicron SARS-CoV-2 variant
Basel, 3 December 2021 - Roche (SIX: RO, ROG; OTCQX: RHHBY) and TIB Molbiol, a newly acquired subsidiary within the Roche Diagnostics division, have added three additional Research Use Only (RUO) test kits for the detection of mutations present in the novel B.1.1.529 Omicron SARS-CoV-2 variant: VirSNip SARS Spike ins214EPE (RUO), VirSNiP SARS-CoV-2 Spike S371L S373P (RUO), VirSNip SARS Spike E484A (RUO). The World Health Organization (WHO) has classified the recently emerged SARS-CoV-2 variant, Omicron (B.1.1.529), as a COVID-19 variant of concern (VOC).The VirSNiP variant kits allow differentiation between unique mutation...
Source: Roche Investor Update - December 3, 2021 Category: Pharmaceuticals Source Type: news
Pfizer Asks U.S. Regulators to Approve COVID-19 Shots for Kids 5 Through 11
Pfizer asked the U.S. government Thursday to allow use of its COVID-19 vaccine in children ages 5 to 11 — and if regulators agree, shots could begin within a matter of weeks.
Many parents and pediatricians are clamoring for protection for children younger than 12, today’s age cutoff for the vaccine made by Pfizer and its German partner BioNTech. Not only can youngsters sometimes get seriously ill, but keeping them in school can be a challenge with the coronavirus still raging in poorly vaccinated communities.
Pfizer announced in a tweet that it had formally filed its application with the Food and Drug Administr...
Source: TIME: Health - October 7, 2021 Category: Consumer Health News Authors: LAURAN NEERGAARD/Associated Press Tags: Uncategorized COVID-19 healthscienceclimate Source Type: news
Pfizer Says COVID-19 Vaccine Works in Kids Ages 5 to 11
Pfizer said Monday its COVID-19 vaccine works for children ages 5 to 11 and that it will seek U.S. authorization for this age group soon—a key step toward beginning vaccinations for youngsters.
The vaccine made by Pfizer and its German partner BioNTech already is available for anyone 12 and older. But with kids now back in school and the extra-contagious delta variant causing a huge jump in pediatric infections, many parents are anxiously awaiting vaccinations for their younger children.
For elementary school-aged kids, Pfizer tested a much lower dose—a third of the amount that’s in each shot given now. Y...
Source: TIME: Health - September 20, 2021 Category: Consumer Health News Authors: Lauran Neergaard / Associated Press Tags: Uncategorized COVID-19 Londontime wire Source Type: news
FDA Authorizes Booster Shot of COVID-19 Vaccine for People With Weakened Immune Systems
WASHINGTON (AP) — U.S. regulators say transplant recipients and others with severely weakened immune systems can get an extra dose of the Pfizer or Moderna COVID-19 vaccines to better protect them as the delta variant continues to surge.
The late-night announcement Thursday by the Food and Drug Administration applies to several million Americans who are especially vulnerable because of organ transplants, certain cancers or other disorders. Several other countries, including France and Israel, have similar recommendations.
It’s harder for vaccines to rev up an immune system suppressed by certain medications and ...
Source: TIME: Health - August 13, 2021 Category: Consumer Health News Authors: AP / Lauran Neergaard and Matthew Perrone Tags: Uncategorized COVID-19 Source Type: news
What We Learned About Genetic Sequencing During COVID-19 Could Revolutionize Public Health
You don’t want to be a virus in Dr. David Ho’s lab. Pretty much every day since the COVID-19 pandemic began, Ho and his team have done nothing but find ways to stress SARS-CoV-2, the virus that causes the disease. His goal: pressure the virus relentlessly enough that it mutates to survive, so drug developers can understand how the virus might respond to new treatments. As a virologist with decades of experience learning about another obstinate virus, HIV, Ho knows just how to apply that mutation-generating stress, whether by starving the virus, bathing it in antibodies that disrupt its ability to infect cells, ...
Source: TIME: Health - June 11, 2021 Category: Consumer Health News Authors: Alice Park Tags: Uncategorized COVID-19 feature Genetics Magazine Source Type: news
