If it’s been six months since your second COVID vaccine dose, it’s time to book in for your booster. Here’s why.
Articles on Immune system
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First CDC signed off on a COVID-19 vaccine for adults, then teens. Now US children ages 5 to 11 are officially eligible for shots. Here’s the science on why each group needs to be considered separately.
Protection from infection wanes over time. So boosters will offer extra protection and hopefully reduce the spread of the virus even further.
Life-extension therapies may be coming sooner than you think.
But the immune cells that vaccination spurs do last a long time.
People with HIV need to take daily medication to keep the virus at bay. A study has found that a new treatment combination could boost immunity and control virus levels even after stopping medication.
A growing body of research shows that nutrition, sleep, exercise and a host of other lifestyle choices can help optimize the immune system. But they are no substitute for life-saving vaccines.
It’s unclear whether the patients were already predisposed to these diseases, or the infection unmasked a process that had already begun. Or perhaps the infection triggered a completely new illness.
New discovery could help scientists develop more targeted drugs and vaccines.
Medications to treat COVID-19 are in no way a substitute for the vaccine. But under the right circumstances, some show great promise for helping patients.
A medical student answers questions he gets asked at a COVID-19 vaccine clinic: Efficacy versus real-world effectiveness, immune response and how the mRNA vaccines compare to vaccines already in wide use.
Cell-mediated immunity is particularly effective at eradicating viruses, and more durable. This is important in the fight against COVID-19.
How the immune system learns not to attack a developing fetus and placenta is important to understanding pregnancy and its common complications, like miscarriage.
A COVID-19 vaccine does not cause infertility – but it can protect you from the dangerous complications of contracting the virus.
People with weakened immune systems are at a high risk of severe and prolonged COVID-19 infections. An extra vaccine dose can bolster protection.
Recovering from COVID and then getting vaccinated, known as hybrid immunity, is more potent than being infected or vaccinated alone.
A fear of microbes, like germs, could be harming human health.
Vaccines have successfully curtailed viral diseases for decades. But as COVID-19 vaccination hesitancy shows, mistrust and misinformation continue to put lives at risk.
Our immune system is controlled by our “body clock” – an intricate 24-hour system which controls how cells function.
People are likely to show compassion to those showing symptoms of illness or injury. Is that how our immune system evolved?
Top contributors
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Professor of Medicine, University of Virginia
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Professor in Immunology, University of Manchester
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Instructor of Human Immunology, Emory University
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Associate Pro Vice-Chancellor: Innovation and Knowledge Exchange, University of Nottingham
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Ecologist and Researcher, Flinders University
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Professor of Pathology, Microbiology and Immunology, University of South Carolina
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Research Fellow, Institute for Molecular Bioscience, The University of Queensland
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Professor of Immunology, Imperial College London
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Research associate, Warren Alpert Medical School, Brown University, Brown University
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Senior Research Fellow; Rheumatology Research Group, Centre for Inflammatory Diseases, Monash University
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Lecturer, Biochemistry & Immunology, Swansea University
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Honorary Associate Professor
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Associate Professor of Immunology and Microbiology, University of Colorado Anschutz
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Professor of Pathology, Microbiology and Immunology, University of South Carolina
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Principal Scientist and Canada Research Chair in Zoonotic Virus and Animal Reservoirs at the Vaccine and Infectious Disease Organization and Co-Lead of One Health at the University of Saskatchewan, University of Saskatchewan