Even relatively easy bouts with COVID-19 can still take a toll on the immune system, according to a paper published Mar. 15 in the journal Immunity—particularly on T-cells, which provide long ...

CG render of T-cells in shallow depth of field. getty. The need for effective Covid-19 drugs is ever-expanding. Hundreds of millions, if not billions, have been infected by SARS-CoV-2 throughout ...

While some studies have documented that type A is linked to a 48% increased risk of dying from COVID-19, not everyone with type A blood has the same amount of A group antigens among their cells.

At the beginning of the COVID-19 pandemic, numerous studies had shown that COVID-19 patients with high levels of neutrophils, a key immune cell, presented with more severe disease and poor ...

The proportion of circulating programmed cell death protein-1 (PD-1+) CCR7- T FH lymphocytes (cT FH) was greater among critical COVID-19 patients.Cytotoxic CD4+ T lymphocytes comprised 3.70% of ...

Stem cell therapy and models involving organoids derived from stem cells drew a great deal of attention as novel methods for treating and studying COVID-19 during the pandemic, he noted, given the ...

A team led by the University of Sydney has identified red blood cell rupture at dying endothelial sites as a primary driver of microvascular obstruction in COVID-19, bypassing the expected role of ...

Stock image of COVID-19 virus particles. Unauthorized stem cell treatments can be dangerous for patients. ISTOCK / GETTY IMAGES PLUS. Not only are these treatments potentially useless or even ...

COVID-19 protein triggers immune attacks on healthy cells — but a common drug can stop it. ScienceDaily . Retrieved July 12, 2025 from www.sciencedaily.com / releases / 2025 / 06 / 250624044324.htm ...

People with sickle cell disease (SCD) may have a higher risk of severe COVID-19 complications. Learn more about COVID-19 vaccines and SCD here.