an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds
双语例句
1. Any of a group of microorganisms of the genus chlamydia that are obligate intracellular parasites and include the causative agents of trachoma psittacosis and lymphogranuloma venereum.
2. Any of a group of microorganisms of the genus chlamydia that are obligate intracellular parasites and include the causative agents of trachoma psittacosis and lymphogranuloma venereum.