You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is \r\nOrganism that does NOT need vector for transmission: and explain in detail?
Coxiella burnetii causes Q fever. Q fever transmission differs from other rickettsial infection in that there is no ahropod involved in its transmission to man. Transmission results from inhalation, ingestion, abrasion or directly in conjunctiva. Ref: Park 21st edition, page 276.