Tag Archives: SARS-Cov-2

To find zoonotic viruses, researchers seek genomic signatures of virus adaptations to hosts

Posted on October 15, 2021 by Jyoti Madhusoodanan

In light of the ongoing pandemic, researchers have stepped up efforts to identify new zoonotic threats—viruses that could make the leap from animals to humans and cause future epidemics. Studies aiming to identify such viruses often focus on a novel … Continue reading →

Study suggests mask-wearing reduces the odds of self-infection with SARS-CoV-2

Posted on July 17, 2021 by Amy McDermott

COVID-19 typically turns deadly when the virus infects the lungs. Hence, how exactly SARS-CoV-2 gets deep into the respiratory tract has been a pressing question since the pandemic started early last year. One pathway is well known: Most people catch … Continue reading →

Categories: Immunology | Journal Club | Uncategorized | Tagged coronavirus, COVID-19, lung, SARS-Cov-2, self-infection, virus | 4 Comments

Inner Workings: Researchers race to develop in-home COVID-19 testing, a potential game-changer

Posted on September 8, 2020 by Amy McDermott

For most people, a COVID-19 test entails a swab up the nose in a doctor’s office or drive-in site. The sample then goes out to a lab. Results come back within a few days to a week—a waiting period that’s … Continue reading →

Categories: Infectious disease | Inner workings | Tagged antigen, COVID-19, COVID-19 testing, CRISPR, EUA, FDA, LAMP, nucleic acid, PCR, SARS-Cov-2 | Leave a comment

PREVIEW News Feature: To counter the pandemic, clinicians bank on repurposed drugs

Posted on April 15, 2020 by Jyoti Madhusoodanan

Teams are pursuing a dizzying array of therapeutic strategies to stymie COVID-19. It’s not yet clear which approach, or combination of approaches, will work best. *Editor’s Note: We’re providing a preview of this content due to the urgent and rapidly … Continue reading →

Fluid dynamics work hints at whether spoken word can spread COVID-19

Posted on April 7, 2020 by Carolyn Beans

As of April 3, the Centers for Disease Control and Prevention (CDC) is advising that everyone—sick or healthy—wear masks to prevent the spread of COVID-19. Recent research on how fluids travel from our respiratory tracts when we sneeze, speak, or … Continue reading →

PREVIEW Inner Workings: Molecular biologists offer “wartime service” in the effort to test for COVID-19

Posted on April 2, 2020 by Amy McDermott

*Editor’s Note: We’re providing a preview of this content due to the urgent and rapidly unfolding events surrounding the novel coronavirus pandemic. An updated version will appear in PNAS in the coming weeks. As COVID-19 spreads, communities across the United … Continue reading →

Categories: Inner workings | Medical Sciences | Tagged coronavirus, COVID-19, COVID-19 testing, pandemic, qPCR, RNA extraction, SARS-Cov-2 | Leave a comment