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Most King County offices will be closed on Monday, for Memorial Day.  
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Public Health — Seattle & King County monitors drug overdose data to detect potential overdose clusters and identify emerging trends. Since most overdoses that occur are non-fatal, it is important to monitor trends of non-fatal overdose, as well as fatal overdose. On this page, you will find up-to-date information about overdoses treated by King County Emergency Medical Service (EMS) agencies.