NLRP3 and infection: The IL-1β level in the bronchoalveolar lavage fluid (BALF) of Nlrp3−/− mice is lower than that in WT mice, while the levels of MIP2, CXCL1, TNFα, and IL-6 are either lower than, or the same as, in WT mice on day 3 after infection [15,16,49].