Research Article

PD-L1 Expression Induced by the 2009 Pandemic Influenza A(H1N1) Virus Impairs the Human T Cell Response

Table 1

Demographic data from patients.

VariableTotal patients ( )
H1N1− ( )H1N1+ ( )

Gender
 Female55
 Male 78
Age (years)
 Mean46.834.4
 Median48.525.0
 Max7678
 Min1817
Leukocyte count (cells/mm3) (mean SD)
Lymphocyte count (cells/mm3) (mean SD)