人民警察的回避，由其所属的公安机关决定；公安机关负责人的回避，由上一级公安机关决定。
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Last month, following the seizure of Venezuela's Maduro in a US military operation, US President Donald Trump told Cuba to "make a deal" or face unspecified consequences.
Once Koch established the methods to grow pure cultures of bacteria like tuberculosis and anthrax, he demonstrated for the first time that microbes can cause diseases, a feat that earned him the 1905 Nobel Prize in Physiology or Medicine.