People who have had COVID will still benefit from having a COVID vaccine. Here’s why.
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Artikel-artikel mengenai Immune response
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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.
The coronavirus pandemic has driven a lot of scientific progress in the past year. But just as some of the social changes are likely here to stay, so are some medical innovations.
SARS-CoV-2 is much like a zombie virus. It interferes with normal sickness behavior and blocks pain, turning its victims into unsick spreaders of the virus.
The microbes in your gut influence how your immune system reacts to bacteria and viruses. A severe immune reaction is deadly; a small one lets the virus win. The right balance may depend on your diet.
Healing is a complicated process. As people age, higher rates of disease and the fact that old cells lose the ability to divide slow this process down.
Many people object to the added ingredients in vaccines. But pharmacists explain why those fears are unwarranted.
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.
A new study is the first to identify sex differences in inflammation and immune cell activation in response to SARS-CoV-2 infection, which causes COVID-19.
Older coronavirus patients face grimmer outlooks. A virologist explains the aging-related changes in how immune systems work that are to blame.
Several vaccines are in Phase 3 trials. So when will we know whether any of these will protect against COVID-19?
If antibody levels drop dramatically after an infection, what does that mean for immunity? An expert explains how B and T cells contribute to immunity and why antibodies don’t tell the full story.
Immunosenescence — the decline of immune system function with age — means that vaccines are not as effective in older adults, the demographic most susceptible to many diseases, including COVID-19.
There is a low incidence of asthma in populations infected by parasitic worms. Now research has identified molecules secreted by these worms that could prevent or suppress asthma.
A rare new disease syndrome appears to be caused by an overactive immune response in children, often hitting weeks after exposure to the SARS-CoV-2 virus.
The disease is more severe in people with obesity, diabetes and hypertension — all conditions linked to changes in the gut microbiome.
‘Normal’ body temperature varies from person to person by age, time of day, where it’s measured, and even menstrual cycle. External conditions also influence your thermometer reading.
It usually takes 10 years for a new vaccine to complete clinical trials, but we’ve been promised a COVID-19 vaccine in 12 to 18 months. Even if such fast-tracked development is possible, is it wise?
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?
Why does COVID-19 hit men harder than women? Is the disparity in mortality rates due to male hormones or an underlying difference in the male versus female immune system?
Kontributor teratas
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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 of Immunology and Associate Dean, Research and Graduate Studies, University of Guelph
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Associate Professor of Viral Immunology, Department of Pathobiology, University of Guelph
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Clinical Assistant Professor of Immunology, University of South Carolina
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Professor of Immunology, Tufts University
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Professor of Pathology, Microbiology and Immunology, University of South Carolina
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Associate Professor of Microbiology, Immunology & Pathology, Colorado State University
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Professor of Pathology, Microbiology and Immunology, University of South Carolina
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Associate professor, University of Bath
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Matilda R. Wilson Endowed Chair, Associate Professor of Large Animal Clinical Sciences, Michigan State University
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Programme Director for the Sub-Saharan African Network for TB/HIV Research Excellence (SANTHE), University of KwaZulu-Natal
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Head: Division of General Surgery, University of Cape Town
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Lecturer; Biology and Health, University of Waterloo
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Research Scientist and Principal Investigator at the Vaccine and Infectious Disease Organization, University of Saskatchewan
