Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Severe COVID-19 patients have greater frequencies of perforin+ CD8+ T cells. (A) The frequencies of CD8+ T cells (viable, CD14-, CD56-, CD19-, CD3+, CD8+ cells) expressing perforin in non-severe and severe COVID-19 patients, recovered COVID-19 patients, and healthy controls were assessed by flow cytometry. (B) Correlation between age and perforin+ CD8+ T cells. *p<0.05 one-way ANOVA with multiple comparisons correction.
