Table 2.

Bronchoscopy score

Score	Tracheal exudate	Nasopharyngeal exudate	Pharyngeal lymphoid tissue
0	None	None	Few, inactive follicles
1	Mucus	Seromucous or mucoid	Many inactive follicles, few pink edematous follicles
2	Mucopurulent	Mucopurulent	Many pink follicles, from wall of pharynx to soft palate
3	Circumferential tenacious mucopurulent material		Coalescing edematous follicles throughout pharynx

Adapted from Moore et al (5)