What is the role of T regulatory cells in COVID-19
pathogenesis?
There are no longitudinal studies analyzing T regulatory cells in
COVID-19. A limited number of studies have reported decreased numbers of
circulating T regulatory cells (CD3+CD4+CD25+CD127low+) as a part of
lymphopenia. Further studies are needed to explore their roles in
COVID-19 pathogenesis as well as in controlling severe tissue injury or
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