流感嗜血桿菌是藉由空氣中的飛沫或直接接觸分泌物而人傳人。流感嗜血桿菌是一 種重要的定殖於上呼吸道粘膜的人類特定病原菌。流感嗜血桿菌對於人類細胞( 例如: 口 咽細胞) 之附著作用，被廣藿香植物的水萃取物所抑制。

Haemophilus Influenzae are spread from person to person by airborne respiratory droplets or direct contact with secretions. Haemophilus Influenzaeare is an important human-specific pathogen colonizing the mucosa of the upper respiratory tract. The attachment of Haemophilus influenzae to human cells such as oropharyngeal cells, is inhibited by aqueous extract of Pogostemon cablin.