NPPB and infection: Meanwhile, the serum NT-proBNP was found to peaked at day 3 (4.05 ± 4.05 pg/mL in control group vs. 701.71 ± 151.38 pg/mL at day 3, p < 0.01), and this increase was maintained after 10 days of infection (341.28 ± 83.68 pg/mL at day 7 and 170.25 ± 49.73 pg/mL at day 10) (Figure 1B).