Vaccination

AstraZeneca says booster jab effective against Omicron

British pharmaceutical giant AstraZeneca said Thursday that a third, or "booster", dose of its COVID-19 vaccine Vaxzevria "significantly" lifted antibody levels against the Omicron strain in a laboratory study.

Immunology

COVID-19 vaccination: Reasons for earlier boosters

Patients with rheumatic diseases or inflammatory diseases of the intestine (Crohn's disease, ulcerative colitis) and skin (psoriasis) are often treated with medicinal substances that suppress the immune system. These immunosuppressive ...

Diseases, Conditions, Syndromes

Time of day matters in antibody response to COVID-19 vaccine

Our internal 24-hour circadian clock regulates many aspects of physiology, including the response to infectious disease and vaccination. A new study published in the Journal of Biological Rhythms demonstrates that antibody ...

Diseases, Conditions, Syndromes

Age, sex and waning COVID-19 antibodies

As widely-anticipated decisions about COVID-19 vaccine boosters roll out from U.S. agencies today, insights from an independent study underscore why boosters are important for all adults.

Immunology

Do you need a COVID-19 booster shot?

If you got the COVID-19 shots back in early spring, your antibodies are likely waning. But it's not something you need to be worried about, according to a new study from the University of Georgia.

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