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Increased cytokine-secreting capacity in the pericardium compared with that in blood, irrespective of HIV-1 status. Total cytokine secretion in response to ESAT-6+CFP-10 in blood (closed circles) and pericardial fluid (open circles) of (A) HIV-1-uninfected and (B) HIV-1-infected patients. Bars represent medians. Statistically significant differences between blood and fluid are indicated (Mann–Whitney U test).
