Fig 1.
PRISMA flowchart documenting the search and screening process for this review.
Table 1.
Summary of descriptive statistics for included studies.
Table 2.
Evidence on clinical and demographic correlates of T cell response to SARS-CoV-2 infection from studies included in this review (* disease severity was defined in various ways in included studies; for some according to intensive care unit admission; a number used the Chinese National Health Commission definition [66]).