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百日咳杆菌是具有高度传染性的革兰阴性杆菌,通过空气播散、飞沫传播,只有人类可感染该病原菌而发病。该菌所产生的抗原物质既可引起局部细胞损害,又可引起全身反应。
Bordetella pertussis is a highly contagious Gram-negative bacterium that spreads through the air and spreads through the droplets. Only humans can infect the pathogen. Antigenic substances produced by the bacteria can cause local cellular damage, but also cause systemic reactions.