Note 13 — III. EXTRARESPIRATORY LESIONS IN INFLUENZA

The sinuses of the head and middle ears were examined in a number of cases with negative findings. Suppuration of these areas is, however, reported by others.

Stone and Swift (138) found pus in the sphenoidal sinus in 68 per cent of their cases with pneumococci, streptococci and B. influenzæ present. Wolbach (162) found twenty cases of infection of the sphenoid sinus from twelve of which B. influenzæ alone or combined with pneumococci or streptococci were isolated. Lacy (74) reports four cases of influenzal sinusitis.