NDEWS Hotspot Alerts is a dynamic notification system that quantifies the degree to which the observation deviates from the expected range of values over an 84-day window provided by biospatial.io. Alerts are updated bi-weekly and limited to US states with statewide partnerships with biospatial.io: Alabama, Alaska, Arkansas, California, Colorado, Florida, Georgia, Idaho, Illinois, Kansas, Kentucky, Maine, Michigan, Mississippi, Montana, New Mexico, New York, Rhode Island, South Carolina, Tennessee, Utah, Virginia, Wisconsin, and Wyoming.
NDEWS Hotspot Alerts counties with four or more alerts for opioid or non-opioid overdoses September 14 to November 8
NDEWS Hotspot Alerts: 32 counties with higher-than-expected drug-related 911 dispatch counts
NDEWS Hotspot Alerts: 32 counties with higher-than-expected drug-related 911 dispatch counts
NDEWS Hotspot Alerts: 21 counties with higher-than-expected drug-related 911 dispatch counts
NDEWS Hotspot Alerts: 31 counties with higher-than-expected drug-related 911 dispatch counts
NDEWS Hotspot Alerts: 33 counties with higher-than-expected drug-related 911 dispatch counts
NDEWS Hotspot Alerts: 38 counties among those with higher-than-expected drug-related 911 dispatch counts
NDEWS Hotspot Alerts: Counties with three or more alerts for non-opioid overdoses, July 13 to August 30
NDEWS Hotspot Alerts: Top 34 counties with higher-than-expected drug-related 911 dispatch counts
NDEWS Hotspot Alerts: Counties with higher-than-expected drug-related 911 dispatch counts
NDEWS Hotspot Alerts: Top 37 counties with higher-than-expected drug-related 911 dispatch counts
NDEWS Hotspot Alerts: July 27 – August 2, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
NDEWS Hotspot Alerts: July 20–26, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
NDEWS Special Report Nonfatal fentanyl overdoses in the US January 1 – June 7, 2023
NDEWS is excited to announce that we have expanded our partnership with biospatial inc. giving us access to new data and surveillance methods. With this expansion, we are able to look more closely at substances and trends, including substances that are of significant concern, such as fentanyl. In this report, fentanyl-specific overdose 911 dispatches in the US are examined between January 1 and June 7, 2023.
Click here to view the report.
NDEWS Hotspot Alerts: July 6–12, 2023: Opioid, methamphetamine, and non-opioid 911 dispatches
NDEWS Hotspot Alerts June 22–28, 2023: Opioid, methamphetamine, and non-opioid 911 dispatches
NDEWS Hotspot Alerts June 8–14, 2023: Opioid, methamphetamine, and non-opioid 911 dispatches
NDEWS Hotspot Alerts May 26–31, 2023: Opioid, methamphetamine, and non-opioid 911 dispatches
NDEWS Hotspot Alerts May 19–25, 2023: Opioid, methamphetamine, and non-opioid 911 dispatches
NDEWS Hotspot Alerts May 4–10, 2023: Opioid, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 42 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=23) April 20–26, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 23 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=31) April 13–19, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 31 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=21) March 30 – April 5, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 21 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=24) March 23–29, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 24 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=24) March 16–22 , 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 24 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=21) March 9–15, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 21 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=27) March 2–8, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 27 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=31) February 23 – March 1, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 31 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=24) February 16–22, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 24 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=38) February 2–8 , 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 38 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=26) January 26 – February 1, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 26 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=25) January 12 – 18, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 25 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts (n=29) January 5 – 11, 2023: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 24 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts December 29 – January 4: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 33 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts December 8–14, 2022: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 25 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts December 1–7, 2022: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 23 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts November 24–30, 2022: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 27 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here. Click here to read more about NDEWS Hotspot Alerts.
NDEWS Hotspot Alerts: Counties with above-expected counts for drug-related 911 dispatches October 27 – November 2, 2022
In this week’s NDEWS Hotspot Alerts report, 21 counties in 9 states were identified as having above-expected counts for drug-related 911 dispatches over the previous 7-day period. View the full alert here.
NDEWS Hotspot Alerts October 20–26, 2022: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alerts report includes 21 counties with higher-than-expected drug-related 911 dispatch counts over the previous 7-day period. View the full report here.
NDEWS Hotspot Alerts October 13–19, 2022: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
This week’s NDEWS Hotspot Alert reported two counties with 911 dispatch counts higher than 10. San Francisco, CA had 23 methamphetamine-related 911 dispatches, and Salt Lake, UT had 10 non-opioid-related 911 dispatches. Higher counts were reported for 15 US counties. View the full report here.
NDEWS Hotspot Alerts October 6–12, 2022: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches
NDEWS Hotspot Alerts is a dynamic notification system of biospatial.io that quantifies the degree to which observed 911 dispatch rates for drug-related events deviate from expected ranges of values. This week’s report identifies counties with above-expected drug-related 911 dispatches over the past week. View the full report here.
NDEWS Hotspot Alerts: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches September 1–7, 2022
NDEWS Hotspot Alerts is a dynamic notification system of biospatial.io that quantifies the degree to which observed 911 dispatch rates for drug-related events deviate from expected ranges of values. View the full report here.
NDEWS Hotspot Alerts in states with full coverage: Opioid, heroin, methamphetamine, and non-opioid 911 dispatches August 25 – 31, 2022
During the seven day period from August 25 – August 31, 2022, seventeen counties had higher-than-expected rates of drug-related dispatches. View the full report here.
Past alerts:
911 Dispatch Information
| 911 Dispatch type | Description of dispatch | dispatch involves |
|---|---|---|
| Opioid-related | Based on the Enhanced State Opioid Overdose Surveillance (ESOOS) criteria as defined by the state of Rhode Island, intended to detect incidents involving opioid overdose. | Opioid overdose |
| Heroin-related | Based on the Enhanced State Opioid Overdose Surveillance (ESOOS) criteria as defined by the state of Rhode Island, intended to detect incidents involving heroin overdose. | Heroin overdose |
| Non-opioid-related | Based on the Virginia Department of Health criteria for incidents involving non-opioid overdoses. | Non-opioid overdoses |
| Methamphetamine-related | Based on incidents involving methamphetamine due to terms and phrases found in the record narrative and chief complaint elements. | Methamphetamine overdose |