Authorities and experts are reducing the time window they estimate people are protected from getting infected again after they’ve recovered from a bout of COVID.
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Articles on Viral load
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A vaccinated person is less likely to get COVID, is less contagious, and is contagious for a shorter time.
‘Breakthrough’ infections can happen because of waning immunity or high viral doses. But our vaccines are still excellent at preventing severe disease and death.
Nigeria must increase its testing capacity and do more genomic studies to deal effectively with the Delta variant of COVID-19.
Vaccination is likely to substantially reduce virus transmission by reducing the pool of people who become infected, and reducing virus levels in people who do get infected.
Children in the study seemed to display a very strong “innate” immune response.
A new test developed in Australia will reportedly be able to tell us whether someone has a high ‘viral load’. But that doesn’t automatically make them a ‘superspreader’.
Pooled testing, or group testing, has been used to diagnose relatively rare conditions, such as infection in blood donors. It could be used for universal early infant diagnosis and viral load testing.
France says one metre, Spain says two. But what really constitutes a safe distance when it comes to COVID-19?
It is impossible to anticipate if, how or when COVID-19 might take a loved one. But there are ways to prepare.
Two phrases you hear a lot these days are viral load and infectious dose. What do they mean? Do they reflect the severity of disease or whether someone will get severely ill? Two experts explain.
Top contributors
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Professor of Immunology, Vice-Chancellors Distinguished Professorial Fellow, Head of Immunology and Translational Research, Victoria University
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Head: Division of Medical Virology, Stellenbosch University
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Associate Professor of Microbiology and Immunology at Emory University and Adjunct Professor Microbiology and Molecular Genetics, University of Pittsburgh
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Laboratory Head, Walter and Eliza Hall Institute
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Executive Secretary, Nigerian Academy of Science
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Professor of Emergency Health Services, University of Maryland, Baltimore County
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Associate Professor in Environmental Engineering, UCL
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Assistant Professor of Molecular Biology & Microbiology, Tufts University
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Pathologist / Consultant Virologist, Stellenbosch University
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Research Leader in Virology and Infectious Disease, Griffith University
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Associate Professor, School of Biomedical Sciences and Pharmacy, University of Newcastle
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Laboratory Head, The Peter Doherty Institute for Infection and Immunity
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Laboratory Head, Department of Microbiology and Immunology, The University of Melbourne
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Research Officer - Immunology and Translational Research, Victoria University
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Senior Lecturer at the Australian National University Medical School, Australian National University
