Am I immune to COVID-19 if I have antibodies?

If you have had COVID-19 already, are you protected from another bout of the illness? And is the presence of antibodies in your blood a guarantee of immunity?

William Petri, Professor of Medicine, University of Virginia • conversation
June 12, 2020 ~6 min

Tags: covid-19 immune-system sars-cov-2 immunity immune-response antibody spike-protein

Coronavirus tests are pretty accurate, but far from perfect

Expanding coronavirus testing is one of the most important tasks public health officials are tackling right now. But questions over accuracy of the two main types of tests have rightly caused concern.

Maureen Ferran, Associate Professor of Biology, Rochester Institute of Technology • conversation
May 6, 2020 ~10 min

Tags: covid-19 coronavirus antibodies immunity testing anthony-fauci virology blood-test false-positive rt-pcr swab-test

Checking blood for coronavirus antibodies – 3 questions answered about serological tests and immunity

After your body fights off an infection, antibodies remain in your blood. Two researchers explain how tests identify these antibodies and what the data can be used for.

Daniel Stadlbauer, Postdoctoral Fellow in Microbiology, Icahn School of Medicine at Mount Sinai • conversation
April 16, 2020 ~9 min

Tags: covid-19 coronavirus antibodies sars-cov-2 immunity coronavirus-2020 new-coronavirus blood plasma blood-test

What does 'recovered from coronavirus' mean? 4 questions answered about how some survive and what happens next

Officially, not that many people have recovered from the coronavirus. An epidemiologist explains what has to happen for a COVID-19 survivor to get a clean bill of health.

Tom Duszynski, Director Epidemiology Education, IUPUI • conversation
April 7, 2020 ~7 min

Tags:  covid-19  coronavirus  immune-system  immunity  testing  recovery  cdc  immune

Coronavirus: once you have antibodies, are you safe?

Here's what protection from coronavirus looks like.

Connor Bamford, Research Fellow, Virology, Queen's University Belfast • conversation
March 30, 2020 ~7 min

Tags:  covid-19  coronavirus  vaccines  immunity

Older people are at more risk from COVID-19 because of how the immune system ages

Different demographics are more or less vulnerable to serious complications from the coronavirus. A virologist explains the aging-related changes in how immune systems work that are to blame.

Brian Geiss, Associate Professor of Microbiology, Immunology & Pathology, Colorado State University • conversation
March 19, 2020 ~7 min

Tags:  covid-19  coronavirus  immune-system  t-cells  immunology  aging  sars-cov-2  immunity  coronavirus-2020  new-coronavirus  adaptive-immune-response  innate-immune-response  immune-response  white-blood-cells  t-cell

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