Does coronavirus linger in the body? What we know about how viruses in general hang on in the brain and testicles

Some viruses can hide out in the body and reemerge at later times. Which viruses do this, and can the new coronavirus do this too?

William Petri, Professor of Medicine, University of Virginia • conversation
July 31, 2020 ~9 min

Tags: health medicine brain viruses eye testes

Bacteria and viruses are travelling the world on highways in the sky

The atmosphere has a microbiome of bacteria, viruses and fungi that travel around the world on highways in the sky.

Predrag Slijepcevic, Senior Lecturer in Biology, Brunel University London • conversation
July 21, 2020 ~6 min

Tags: bacteria microbiome microbes microbiology viruses

Coronavirus numbers confusing you? Here's how to make sense of them

There's more to the numbers than what you see on TV.

Catherine Lynne Troisi, Associate professor, Management, Policy, and Community Health and Epidemiology, The University of Texas Medical Branch • conversation
July 21, 2020 ~6 min

Tags:  covid-19  coronavirus  pandemic  hospitals  viruses  covid-19-testing

How deadly is the coronavirus? The true fatality rate is tricky to find, but researchers are getting closer

The percentage of people who die from a coronavirus infection is an important number for public health experts to know. Recent estimates now put it at 0.26%, far lower than initially thought.

Alex Washburne, Disease Ecology Research Scientist, Montana State University • conversation
July 15, 2020 ~9 min

Tags: covid-19 coronavirus sars-cov-2 healthcare viruses mortality death-rate case-fatality-rate

Here's how scientists know the coronavirus came from bats and wasn't made in a lab

The evidence suggests the novel coronavirus evolved naturally.

Polly Hayes, Lecturer in Parasitology and Medical Microbiology, University of Westminster • conversation
July 13, 2020 ~8 min

Tags: covid-19 coronavirus genetic-engineering viruses virology conspiracy-theories

Aerosols are a bigger coronavirus threat than WHO guidelines suggest – here's what you need to know

More than 200 scientists wrote to the WHO, warning about aerosol transmission of the coronavirus. The WHO has since acknowledged the evidence but hasn't change its advice yet.

Goodarz Ahmadi, Professor of mechanical engineering, Clarkson University • conversation
July 9, 2020 ~9 min

Tags: health covid-19 coronavirus pandemic sneeze restaurants viruses aerosols breathing droplets fluid-dynamics mucus

Rare neurological disorder, Guillain-Barre Syndrome, linked to COVID-19

As if the symptoms of COVID-19 were not disturbing enough, physicians have noted a rare neurological condition that emerges during some severe cases of this viral infection.

Neha S. Dangayach, Assistant Professor of Neurology and Neurosurgery, Icahn School of Medicine at Mount Sinai • conversation
July 7, 2020 ~10 min

Tags: brain covid-19 pandemic sars-cov-2 viruses neurological-disorders nerves

How to manage plant pests and diseases in your victory garden

The COVID-19 pandemic has boosted interest in home gardening. Three scientists who garden explain some basic methods for controlling common insects and microbes that can spoil your crop.

Carolee Bull, Professor of Plant Pathology and Systematic Bacteriology, Pennsylvania State University • conversation
July 2, 2020 ~9 min

Tags: bacteria covid-19 insects soil plants fungi viruses integrated-pest-management gardening nematodes weeds land-grant-universities plant-health victory-garden

A massive public health effort eradicated smallpox but scientists are still studying the deadly virus

The smallpox virus appears to have been with humanity for millennia before a global vaccination drive wiped it out. Current genome research suggests how smallpox spread and where it came from.

Patricia L. Foster, Professor Emerita of Biology, Indiana University • conversation
June 24, 2020 ~12 min

Tags: genome coronavirus genome-sequencing pandemic sars-cov-2 vaccination viruses world-health-organization-who viral-evolution smallpox zoonoses virulence cowpox smallpox-eradication disease-eradication zoonosis viral-dna

Can people spread the coronavirus if they don't have symptoms? 5 questions answered about asymptomatic COVID-19

There is a lot of confusion and concern around asymptomatic spread of SARS-C0V-2. An infectious disease expert explains how many people are asymptomatic and how they can spread the virus.

Monica Gandhi, Professor of Medicine, Division of HIV, Infectious Diseases and Global Medicine, University of California, San Francisco • conversation
June 23, 2020 ~8 min

Tags: public-health covid-19 coronavirus transmission sars-cov-2 viruses questions-answered masks asymptomatic

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