Category: <span>Virology</span>

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China county in lockdown as fears grow over second wave of virus
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China county in lockdown as fears grow over second wave of virus

A Chinese county of around 600,000 residents has gone into lockdown after a woman who visited the area tested positive for the coronavirus, underscoring concerns over a second wave of domestic infections. The tightening comes as China reported 35 new confirmed cases on Thursday, drastically down from the peak of the crisis. But they were...

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COVID-19 found in sputum and feces samples after pharyngeal specimens no longer positive

All coronavirus-related content published in Annals is free AMERICAN COLLEGE OF PHYSICIANS Below please find link(s) to new coronavirus-related content published today in Annals of Internal Medicine. All coronavirus-related content published in Annals of Internal Medicine is free to the public. A complete collection is available at https://annals.org/aim/pages/coronavirus-content. COVID-19 found in sputum and feces samples...

Is the coronavirus airborne? Experts can’t agree
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Is the coronavirus airborne? Experts can’t agree

The World Health Organization says the evidence is not compelling, but scientists warn that gathering sufficient data could take years and cost lives. Dyani Lewis Since early reports revealed that a new coronavirus was spreading rapidly between people, researchers have been trying to pin down whether it can travel through the air. Health officials say...

‘The tip of the iceberg’: Virologist discusses COVID-19
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‘The tip of the iceberg’: Virologist discusses COVID-19

by Lori Dajose, California Institute of Technology As of March 20, more than 8,700 people worldwide had died of COVID-19, the disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Caltech trustee David Ho (BS ’74) of the Aaron Diamond AIDS Research Center, Columbia University, says that this is just the tip of...

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Some COVID-19 patients still have coronavirus after symptoms disappear

AMERICAN THORACIC SOCIETY In a new study, researchers found that half of the patients they treated for mild COVID-19 infection still had coronavirus for up to eight days after symptoms disappeared. The research letter was published online in the American Thoracic Society’s American Journal of Respiratory and Critical Care Medicine. In “Time Kinetics of Viral...

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THIS METHOD EXTENDS LIFE OF CRITICAL N95 FACE MASKS

Existing vaporized hydrogen peroxide methods can decontaminate N95 face masks for reuse, confirm research and clinical teams. Health care providers are facing a critical shortage of N95 face masks that block the coronavirus. The process uses specialized equipment to aerosolize hydrogen peroxide, which permeates the layers of the mask to kill germs, including viruses, without...

Scientists find new way to block cancer-causing HPV virus
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Scientists find new way to block cancer-causing HPV virus

by Anne Doerr, Yale University The human papillomavirus (HPV) is the main cause of several cancers, including cervical cancer, which kills almost 300,000 women around the world each year. Although vaccines offer a proven first line of defense against HPV infection, researchers continue to look for additional options to guard against the virus. In a...

Study affirms average Covid-19 incubation period is 5 days
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Study affirms average Covid-19 incubation period is 5 days

By Rich Haridy A new study from Johns Hopkins Bloomberg School of Public Health is affirming early estimates suggesting 5.1 days is the average incubation period for Covid-19, the disease caused by the novel coronavirus. Understanding a disease’s incubation period is key to controlling its spread. The incubation period is the time between initial exposure...

Viruses for the Good: Gene Therapy for Sickle Cell Disease
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Viruses for the Good: Gene Therapy for Sickle Cell Disease

While the world worries about novel coronavirus SARS-CoV-2, other viruses continue to be used for the good – as vectors that ferry in healing genes for gene therapy and editing. Charles Hough calls himself “reborn” after lentiviruses – disabled versions of HIV – gave his blood cells the gene that overrides the mutant one that...

Why does the coronavirus spread so easily between people?
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Why does the coronavirus spread so easily between people?

Researchers have identified microscopic features that could make the pathogen more infectious than the SARS virus — and serve as drug targets. As the number of coronavirus infections approaches 100,000 people worldwide, researchers are racing to understand what makes it spread so easily. A handful of genetic and structural analyses have identified a key feature...