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党中央决定，在全党开展树立和践行正确政绩观学习教育。习近平总书记反复强调要树立和践行正确政绩观，近期又在多次重要讲话中特别加以强调，为开展学习教育指明了方向、提供了重要遵循。
However, Koch never credited the Hesses for their discovery of bacteriological agar, perhaps because, at the time, he failed to recognize its importance. Even after he received the insight about agar from the Hesses, Koch stuck with gelatine for years. In 1883-84, during his first medical expedition to Egypt and India to investigate cholera, he tried and failed to grow the cholera bacterium on gelatine media in the hot climate of Cairo (despite using a half-open fridge for incubation), only succeeding in the colder winter of Calcutta.