by Delthia Ricks , Medical Xpress T cell responses to ancestral mRNA vaccine doses over time. (A) Gating on non-naïve/memory CD4+ and CD8+ T cells. Numbers indicate the percentage of the previous gate. (B) Comparison of pre- and postbooster CD8+ to CD4+ net-frequency ratio in response to Omicron full spike with indicated fold changes. (C)...
By Megan Molteni July 19, 2023 This scanning electron microscope image shows SARS-CoV-2 (yellow) isolated from a patient. NIAID/NIH In the earliest days of the Covid-19 pandemic, when the new coronavirus still appeared to be confined to China, public health authorities were divided over whether to declare the outbreak a global emergency. That changed once it became...
BY ALEXANDER TIN UPDATED ON: JULY 11, 2023 / 5:29 PM / CBS NEWS The analysis published Monday stems from the first year of a multiyear federal effort to study the virus as it has spread into American wildlife, spearheaded by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service, or APHIS. Scientists analyzed 8,830 samples...
PSYCHIATRY Inflammation from COVID can result in structural and functional brain changes. Updated June 20, 2023 | Reviewed by Davia Sills KEY POINTS Individuals with long COVID may experience a spectrum of clinical manifestations. The invasive properties of COVID can cause inflammation in the brain and central nervous system. Patients with long COVID can experience psychiatric symptoms. No...
By George Spencer UCSF Magazine Summer 2023 UCSF infectious disease specialist Michael Peluso, MD, who co-leads one of the world’s oldest studies of long COVID, discusses the condition’s mysteries. “There is no smoking gun,” he says. “If that were the case, we would have figured this out two years ago.” Michael Peluso, MD, Assistant Professor of Medicine What...
by University College London Fatigue is the symptom that most significantly impacts the daily lives of long COVID patients, and can affect quality of life more than some cancers, finds a new study led by researchers at UCL and the University of Exeter. The research, published in BMJ Open , examines the impact of long COVID on the...
By Jillian Wilson Jun 1, 2023, 05:45 AM EDT TI-JA VIA GETTY IMAGES Coughing is one of the symptoms of a respiratory virus known as human metapneumovirus, or HMPV. During the height of the coronavirus pandemic, when masking was required across much of the country and people were staying home, cases of illnesses like the flu...
by Green Science Policy Institute Credit: CC0 Public Domain The COVID-19 pandemic has boosted the unnecessary use of antimicrobial chemicals linked to health problems, antimicrobial resistance, and environmental harm, warn more than two dozen scientists in Environmental Science & Technology. Their critical review details how quaternary ammonium compounds (QACs) are increasingly marketed and used in home,...
by University of California, San Francisco Neutralizing antibodies (nAB) differed by vaccine type. A significant two-way interaction between time and vaccine type was identified. nAB increased over time for Janssen participants while decreasing over time for Moderna and Pfizer participants. At 6 months, Moderna was superior to Janssen, and both Moderna and Janssen were superior to Pfizer....
Quantum laser-based technology a big step forward toward using exhaled breath to diagnose illness UNIVERSITY OF COLORADO AT BOULDER IMAGE: QIZHONG LIANG, A PHD CANDIDATE IN JILA AND THE DEPARTMENT OF PHYSICS AT THE UNIVERSITY OF COLORADO BOULDER, DEMONSTRATES HOW THE LASER-BASED BREATHALYZER WORKS, IN THE YE LAB AT JILA. ULTIMATELY, THE SYSTEM COULD BE...
