"And no business can possibly equate happy workers (community) with profit (effectiveness). Happy workers are much more productive workers and hence contribute to profit, but no organization is formed for the idea of pleasing its employees."

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In view of the epidemiological situation in Germany, the lack of evidence for the effectiveness of the BCG-vaccine and the not uncommen severe, undesired side-effects of the BCG vaccine, the STIKO can no longer support the recommendation for this vaccination.

— Robert Koch