RSV is the most common viral pathogen of ALRI, and PIV and IFV are less common.

RSV是冬春季节婴幼儿ALRI的主要病原体, 其次是流感病毒和副流感病毒.

However, you can have another weapon by garrisoning an infantry inside it like the Multigunner IFV.

而你可以通过驻守步兵来获得第二武器,就像多枪塔IFV一样.