An immunologist explains that you get some protection from the first dose of the mRNA vaccines but you need two to build up strong immunity, particularly to newer coronavirus variants.
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Articles on Immune system
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During a raging pandemic it is obviously worthwhile to use hand sanitisers, particularly when we are unable to wash our hands. But we should minimise their use when cases drop.
COVID-19 prevention measures are at odds with guidelines for healthy development of children’s immune systems. The result may be a cluster of youth with more allergies, asthma and autoimmune disease.
Until now, researchers haven’t quite known why the immune systems of breastfed babies are better equipped.
Children in the study seemed to display a very strong “innate” immune response.
We mapped the genes of B cells to better understand why some develop immunity and others don’t.
You need a new shot every year because current flu vaccines provide limited and temporary protection. But researchers’ new strategy could mean a one-and-done influenza vaccine is on the way.
Cambridge study finds blood markers that could help predict, very early in the disease, who will get severe COVID.
With vaccine shortages looming, experts are debating whether it is important to receive two doses or whether it’s better to give one dose to more people and give a second when the supply is better.
With vaccines forthcoming for most Americans, many groups, including expectant mothers, are wondering if the vaccine is safe for them and their babies. A physician-scientist explains.
The development of multiple vaccines against the virus that causes COVID-19 has been hailed as the breakthrough of 2020. But there were many more supporting discoveries that made this possible.
The side effects of new SARS-CoV-2 vaccines are a result of immune system activation. While uncomfortable, they are both normal and expected. They are a sign that the vaccine is working.
Several new studies show our immune responses to the virus can last at least eight or nine months, and probably longer.
There is now a third vaccine that prevents COVID-19 infections. It isn’t quite as effective as the other two vaccines but it has advantages that may make it the frontrunner.
Older adults, who are at a higher risk for COVID-19 complications, can strengthen their immune systems by exercising.
Two pharma companies have announced early COVID-19 vaccine trial results with over 90 per cent effectiveness. What does that mean for getting back to normal?
Anti-complement drugs have shown promise in treating COVID in several small trials. Larger trials are now underway.
Are antibodies that attack a patient’s own organs contributing to severe forms of COVID-19? A new study suggests specific antibody tests that may reveal the answer.
Any COVID-19 vaccine is likely to be given first to higher risk groups before it is given to children. But we still need vaccines that are safe and effective for them too.
Reports of reinfection shouldn’t be cause for alarm. If we gather the right data, they can teach us a lot about the immune response.
Top contributors
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Professor of Medicine, University of Virginia
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Instructor of Human Immunology, Emory University
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Professor in Biomedical Sciences, University of Manchester
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Research Fellow, Institute for Molecular Bioscience, The University of Queensland
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Senior Research Fellow; Rheumatology Research Group, Centre for Inflammatory Diseases, Monash University
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Professor of Immunology, Imperial College London
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Biochemistry & Immunology Lecturer, Swansea University
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Ecologist and Researcher, Flinders University
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Research associate, Warren Alpert Medical School, Brown University, Brown University
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Professor of Immunology and Director of the Systems Immunity Research Institute, Cardiff University
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Professional Research Fellow, University of Tasmania
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Senior Research Fellow in Immunology, University of Tasmania
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Director, Children’s Health and Environment Program and World Health Organization Collaborating Centre for Children’s Health and Environment, The University of Queensland
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Associate Professor in Biology, Flinders University
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Associate Professor, Discipline of Childhood and Adolescent Health, University of Sydney
