Artist’s rendering of aquamarine T cells in front of a blue and green background.
Study Links Stress to a Faster-Aging Immune System
Health data from 5,744 adults over the age of 50 reveals an association between stressors such as discrimination and a relatively small proportion of younger infection-fighting immune cells.
Study Links Stress to a Faster-Aging Immune System
Study Links Stress to a Faster-Aging Immune System

Health data from 5,744 adults over the age of 50 reveals an association between stressors such as discrimination and a relatively small proportion of younger infection-fighting immune cells.

Health data from 5,744 adults over the age of 50 reveals an association between stressors such as discrimination and a relatively small proportion of younger infection-fighting immune cells.

CD4+ T cells.
Illustration showing rod-shaped Mycobacterium tuberculosis bacteria in the lungs of a person with tuberculosis
Delayed T cell Response Allows Tuberculosis to Gain Foothold in Monkeys
Anna Napolitano | Jun 1, 2022
The results could help guide the design of new vaccines for the disease.
COVID-19, SARS-CoV-2, coronavirus, pandemic, vaccine, vaccine trials, combination, mix and match, immunity, antibodies, T cells, Pfizer, Moderna, AstraZeneca, clinical trials
COVID-19 Vaccine Combos Aim to Boost Immunity
Asher Jones | Mar 9, 2021
Mix-and-match shots could simplify vaccine rollout and stimulate more-robust immune responses. Ongoing clinical trials will soon give answers.
cancer blood hematologic leukemia solid tumor covid-19 sars-cov-2 coronavirus pandemic mortality t cell b cd8+ cd4+ immunology chemotherapy
COVID-19 More Deadly with Blood than Solid Cancer: Study
Marcus A. Banks | Feb 16, 2021
Death rates among blood cancer patients who contract COVID-19 are higher than for those with other cancers, pointing to impaired immunity that makes it hard to overcome the virus.
SARS-CoV-2-Reactive T Cells Found in Patients with Severe COVID-19
Abby Olena | Jul 3, 2020
A small subset of uninfected people also had SARS-CoV-2-fighting T cells, a finding that scientists are still trying to figure out.
an image of a molecule with three intertwined components
SARS-CoV-2–Fighting T Cells Found in Recovered Patients
Shawna Williams | May 15, 2020
While the finding doesn’t prove people become immune to the virus after infection, it is good news for vaccine development.
 immunotherapy  treatment may cause latent infections of Mycobacterium tuberculosis to flare up in cancer patients
Tuberculosis Can Emerge After Cancer Immunotherapy
Ashley Yeager | Apr 1, 2019
At least a handful of patients have developed active TB after receiving cancer treatment designed to boost the immune system’s antitumor response.
Salt Could Play a Role in Allergies
Abby Olena | Feb 20, 2019
High salt concentrations are present in the affected skin of people with atopic dermatitis and promote the differentiation of the T helper cells involved in the development of allergic diseases.
“Public” T-Cell Receptors From Resistant People Fend Off HIV
Shawna Williams | Jun 8, 2018
The receptors, found in so-called elite controllers who don’t need medications to keep the virus in check, suggest a new path toward immunotherapy.
Study: New Test Can Unearth Elusive HIV
Aggie Mika | May 29, 2017
The assay screens for latent virus that has the capacity to activate if antiretroviral therapy stops.