Table 1. Bacterial doses and corresponding c.f.u. ranges used to optimize an acute lung infection model of P. aeruginosa or A. baumannii in mice.

Dose range	c.f.u. 50 µl−1
	P. aeruginosa	A. baumannii
Low	<5×105	<1×106
Medium	6×105–5×106	1x106–9×106
High	>6×106	1×107–9×107