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Health Alert Network (HAN)

The Health Alert Network (HAN) is CDC's primary method of sharing cleared information about urgent public health incidents with public information officers; federal, state, territorial, and local public health practitioners; clinicians; and public health laboratories. CDC’s HAN collaborates with federal, state, territorial, county, and city partners to develop protocols and stakeholder relationships that will ensure a robust interoperable platform for the rapid distribution of public health information. The items in this collection are archived past alerts. For the most up to date information, go to https://www.cdc.gov/han/index.html.

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Increase in fatal drug overdoses across the United States driven by synthetic opioids before and during the COVID-19 pandemic

CITE Title : Increase in fatal drug overdoses across the United States driven by synthetic opioids before and during the COVID-19 pandemic Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : December 17, 2020 Series : Health Alert Network Source : HAN ; 438 URL : https://stacks.cdc.gov/view/cdc/98848 Centers for Disease Control and Prevention (U.S.) (2020). Increase in fatal drug overdoses across the United States driven by synthetic opioids before and during the COVID-19 pandemic. (438). Centers for Disease Control and Prevention (U.S.) "Increase in fatal drug overdoses across the United States driven by synthetic opioids before and during the COVID-19 pandemic" , no. 438 (2020) Centers for Disease Control and Prevention (U.S.) "Increase in fatal drug overdoses across the United States driven by synthetic opioids before and during the COVID-19 pandemic" , no. 438, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

December 17, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkDecember 17, 2020, 8:00 AM ETCDCHAN-00438The purpose of this Health Alert Network (HAN) Advisory is to ale...
Hurricane Delta—clinical guidance for carbon monoxide (CO) poisoning

CITE Title : Hurricane Delta—clinical guidance for carbon monoxide (CO) poisoning Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : October 8, 2020 Pages in Document : 2 unnumbered pages Series : Health Alert Network Source : HAN ; 437 URL : https://stacks.cdc.gov/view/cdc/95033 Centers for Disease Control and Prevention (U.S.) (2020). Hurricane Delta—clinical guidance for carbon monoxide (CO) poisoning. (437). Centers for Disease Control and Prevention (U.S.) "Hurricane Delta—clinical guidance for carbon monoxide (CO) poisoning" , no. 437 (2020) Centers for Disease Control and Prevention (U.S.) "Hurricane Delta—clinical guidance for carbon monoxide (CO) poisoning" , no. 437, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

October 8, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkOctober 8, 2020, 7:30 PM ETCDCHAN-00437The Centers for Disease Control and Prevention (CDC) is reminding h...
Recent HIV clusters and outbreaks across the United States among people who inject drugs and considerations during the COVID-19 pandemic

CITE Title : Recent HIV clusters and outbreaks across the United States among people who inject drugs and considerations during the COVID-19 pandemic Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : October 5, 2020 Pages in Document : 7 unnumbered pages Series : Health Alert Network Source : HAN ; 436 URL : https://stacks.cdc.gov/view/cdc/94797 Centers for Disease Control and Prevention (U.S.) (2020). Recent HIV clusters and outbreaks across the United States among people who inject drugs and considerations during the COVID-19 pandemic. (436). Centers for Disease Control and Prevention (U.S.) "Recent HIV clusters and outbreaks across the United States among people who inject drugs and considerations during the COVID-19 pandemic" , no. 436 (2020) Centers for Disease Control and Prevention (U.S.) "Recent HIV clusters and outbreaks across the United States among people who inject drugs and considerations during the COVID-19 pandemic" , no. 436, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

October 5, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkOctober 5, 2020, 11:00 AM ETCDCHAN-00436Since 2015, the Centers for Disease Control and Prevention (CDC) a...
Hurricane Laura—clinical guidance for carbon monoxide (CO) poisoning

CITE Title : Hurricane Laura—clinical guidance for carbon monoxide (CO) poisoning Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : August 27, 2020 Series : Health Alert Network Source : HAN ; 435 URL : https://stacks.cdc.gov/view/cdc/92634 Centers for Disease Control and Prevention (U.S.) (2020). Hurricane Laura—clinical guidance for carbon monoxide (CO) poisoning. (435). Centers for Disease Control and Prevention (U.S.) "Hurricane Laura—clinical guidance for carbon monoxide (CO) poisoning" , no. 435 (2020) Centers for Disease Control and Prevention (U.S.) "Hurricane Laura—clinical guidance for carbon monoxide (CO) poisoning" , no. 435, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

August 27, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkAugust 27, 2020, 3:30 PM ETCDCHAN-00435The Centers for Disease Control and Prevention (CDC) is reminding c...
Detection of Ciprofloxacin-resistant, β-lactamase-producing Neisseria meningitidis Serogroup Y Isolates, United States, 2019–2020

CITE Title : Detection of Ciprofloxacin-resistant, β-lactamase-producing Neisseria meningitidis Serogroup Y Isolates, United States, 2019–2020 Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : June 18, 2020 Pages in Document : 3 unnumbered pages Series : Health Alert Network Source : HAN ; 433 URL : https://stacks.cdc.gov/view/cdc/89489 Centers for Disease Control and Prevention (U.S.) (2020). Detection of Ciprofloxacin-resistant, β-lactamase-producing Neisseria meningitidis Serogroup Y Isolates, United States, 2019–2020. (433). Centers for Disease Control and Prevention (U.S.) "Detection of Ciprofloxacin-resistant, β-lactamase-producing Neisseria meningitidis Serogroup Y Isolates, United States, 2019–2020" , no. 433 (2020) Centers for Disease Control and Prevention (U.S.) "Detection of Ciprofloxacin-resistant, β-lactamase-producing Neisseria meningitidis Serogroup Y Isolates, United States, 2019–2020" , no. 433, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

June 18, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkJune 18, 2020, 1:00 PM ETCDCHAN-00433Meningococcal disease, which typically presents as meningitis or meni...
Multisystem inflammatory syndrome in children (MIS-C) associated with coronavirus disease 2019 (COVID-19)

CITE Title : Multisystem inflammatory syndrome in children (MIS-C) associated with coronavirus disease 2019 (COVID-19) Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : May 14, 2020 Series : Health Alert Network Source : HAN ; 432 URL : https://stacks.cdc.gov/view/cdc/87989 Centers for Disease Control and Prevention (U.S.) (2020). Multisystem inflammatory syndrome in children (MIS-C) associated with coronavirus disease 2019 (COVID-19). (432). Centers for Disease Control and Prevention (U.S.) "Multisystem inflammatory syndrome in children (MIS-C) associated with coronavirus disease 2019 (COVID-19)" , no. 432 (2020) Centers for Disease Control and Prevention (U.S.) "Multisystem inflammatory syndrome in children (MIS-C) associated with coronavirus disease 2019 (COVID-19)" , no. 432, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

May 14, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkMay 14, 2020, 4:45 PM ETCDCHAN-00432The Centers for Disease Control and Prevention (CDC) is providing 1) b...
Update and interim guidance on outbreak of coronavirus disease 2019 (COVID-19)

CITE Title : Update and interim guidance on outbreak of coronavirus disease 2019 (COVID-19) Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : February 28, 2020 Series : Health Alert Network Source : HAN ; 428 URL : https://stacks.cdc.gov/view/cdc/85480 Centers for Disease Control and Prevention (U.S.) (2020). Update and interim guidance on outbreak of coronavirus disease 2019 (COVID-19). (428). Centers for Disease Control and Prevention (U.S.) "Update and interim guidance on outbreak of coronavirus disease 2019 (COVID-19)" , no. 428 (2020) Centers for Disease Control and Prevention (U.S.) "Update and interim guidance on outbreak of coronavirus disease 2019 (COVID-19)" , no. 428, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

February 28, 2020 | Health Alert Network

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cdc:84759Distributed via the CDC Health Alert NetworkFebruary 28, 2020, 15:05 ET (3:05 PM ET)CDCHAN-00428The Centers for Disease Control and Preventio...

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superseded
Update and Interim Guidance on Outbreak of 2019 Novel Coronavirus (2019-nCoV) [February 1, 2020]

CITE Title : Update and Interim Guidance on Outbreak of 2019 Novel Coronavirus (2019-nCoV) [February 1, 2020] Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : February 1, 2020 Pages in Document : 2 unnumbered pages Series : Health Alert Network Source : HAN ; 427 URL : https://stacks.cdc.gov/view/cdc/84759 Centers for Disease Control and Prevention (U.S.) (2020). Update and Interim Guidance on Outbreak of 2019 Novel Coronavirus (2019-nCoV) [February 1, 2020]. (427). Centers for Disease Control and Prevention (U.S.) "Update and Interim Guidance on Outbreak of 2019 Novel Coronavirus (2019-nCoV) [February 1, 2020]" , no. 427 (2020) Centers for Disease Control and Prevention (U.S.) "Update and Interim Guidance on Outbreak of 2019 Novel Coronavirus (2019-nCoV) [February 1, 2020]" , no. 427, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

February 1, 2020 | Health Alert Network

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February 1, 2020, 0900 ET (9:00 AM ET)CDCHAN-00427The Centers for Disease Control and Prevention (CDC) continues to closely monitor an outbreak of res...
Severe illness associated with using non-pharmaceutical chloroquine phosphate to prevent and treat coronavirus disease 2019 (COVID-19)

CITE Title : Severe illness associated with using non-pharmaceutical chloroquine phosphate to prevent and treat coronavirus disease 2019 (COVID-19) Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : March 28, 2020 Series : Health Alert Network Source : HAN ; 431 URL : https://stacks.cdc.gov/view/cdc/86202 Centers for Disease Control and Prevention (U.S.) (2020). Severe illness associated with using non-pharmaceutical chloroquine phosphate to prevent and treat coronavirus disease 2019 (COVID-19). (431). Centers for Disease Control and Prevention (U.S.) "Severe illness associated with using non-pharmaceutical chloroquine phosphate to prevent and treat coronavirus disease 2019 (COVID-19)" , no. 431 (2020) Centers for Disease Control and Prevention (U.S.) "Severe illness associated with using non-pharmaceutical chloroquine phosphate to prevent and treat coronavirus disease 2019 (COVID-19)" , no. 431, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

March 28, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkMarch 28, 2020, 11:00 AM ETCDCHAN-00431Chloroquine phosphate, when used without a prescription and supervi...
Information and guidance about global travel on cruise ships, including river cruises, due to coronavirus disease 2019 (COVID-19)

CITE Title : Information and guidance about global travel on cruise ships, including river cruises, due to coronavirus disease 2019 (COVID-19) Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : March 17, 2020 Series : Health Alert Network Source : HAN ; 430 URL : https://stacks.cdc.gov/view/cdc/85920 Centers for Disease Control and Prevention (U.S.) (2020). Information and guidance about global travel on cruise ships, including river cruises, due to coronavirus disease 2019 (COVID-19). (430). Centers for Disease Control and Prevention (U.S.) "Information and guidance about global travel on cruise ships, including river cruises, due to coronavirus disease 2019 (COVID-19)" , no. 430 (2020) Centers for Disease Control and Prevention (U.S.) "Information and guidance about global travel on cruise ships, including river cruises, due to coronavirus disease 2019 (COVID-19)" , no. 430, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

March 17, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkMarch 15, 2020, 5:45 PM ETUpdated: March 17, 2020, 12:10 PM ETCDCHAN-00430This HAN Update was updated on M...
Information and guidance about global travel on cruise ships, including river cruises, due to coronavirus disease 2019 (COVID-19)

CITE Title : Information and guidance about global travel on cruise ships, including river cruises, due to coronavirus disease 2019 (COVID-19) Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : March 15, 2020 Series : Health Alert Network Source : HAN ; 430 URL : https://stacks.cdc.gov/view/cdc/85894 Centers for Disease Control and Prevention (U.S.) (2020). Information and guidance about global travel on cruise ships, including river cruises, due to coronavirus disease 2019 (COVID-19). (430). Centers for Disease Control and Prevention (U.S.) "Information and guidance about global travel on cruise ships, including river cruises, due to coronavirus disease 2019 (COVID-19)" , no. 430 (2020) Centers for Disease Control and Prevention (U.S.) "Information and guidance about global travel on cruise ships, including river cruises, due to coronavirus disease 2019 (COVID-19)" , no. 430, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

March 15, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkMarch 15, 2020, 5:45 PM ETCDCHAN-00430The Centers for Disease Control and Prevention (CDC) recommends all ...

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superseded
Updated guidance on evaluating and testing persons for coronavirus disease 2019

CITE Title : Updated guidance on evaluating and testing persons for coronavirus disease 2019 Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : March 08, 2020 Series : Health Alert Network Source : HAN ; 429 URL : https://stacks.cdc.gov/view/cdc/85703 Centers for Disease Control and Prevention (U.S.) (2020). Updated guidance on evaluating and testing persons for coronavirus disease 2019. (429). Centers for Disease Control and Prevention (U.S.) "Updated guidance on evaluating and testing persons for coronavirus disease 2019" , no. 429 (2020) Centers for Disease Control and Prevention (U.S.) "Updated guidance on evaluating and testing persons for coronavirus disease 2019" , no. 429, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

March 08, 2020 | Health Alert Network

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cdc:85480cdc:24915Distributed via the CDC Health Alert NetworkMarch 08, 2020, 8:20 PM ETCDCHAN-00429The Centers for Disease Control and Prevention (CD...
Update and interim guidance on outbreak of 2019 novel coronavirus (2019-nCoV) in Wuhan, China

CITE Title : Update and interim guidance on outbreak of 2019 novel coronavirus (2019-nCoV) in Wuhan, China Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : January 17, 2020 Pages in Document : 2 unnumbered pages Series : Health Alert Network Source : HAN ; 426 URL : https://stacks.cdc.gov/view/cdc/84346 Centers for Disease Control and Prevention (U.S.) (2020). Update and interim guidance on outbreak of 2019 novel coronavirus (2019-nCoV) in Wuhan, China. (426). Centers for Disease Control and Prevention (U.S.) "Update and interim guidance on outbreak of 2019 novel coronavirus (2019-nCoV) in Wuhan, China" , no. 426 (2020) Centers for Disease Control and Prevention (U.S.) "Update and interim guidance on outbreak of 2019 novel coronavirus (2019-nCoV) in Wuhan, China" , no. 426, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

January 17, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkJanuary 17, 2020, 2030 ET (8:30 PM ET)CDCHAN-00426The Centers for Disease Control and Prevention (CDC) con...
Elevated influenza activity : influenza B/Victoria and A(H1N1)pdm09 viruses are the predominant viruses

CITE Title : Elevated influenza activity : influenza B/Victoria and A(H1N1)pdm09 viruses are the predominant viruses Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : January 10, 2020 Pages in Document : 2 unnumbered pages Series : Health Alert Network Source : HAN ; 425 URL : https://stacks.cdc.gov/view/cdc/84190 Centers for Disease Control and Prevention (U.S.) (2020). Elevated influenza activity : influenza B/Victoria and A(H1N1)pdm09 viruses are the predominant viruses. (425). Centers for Disease Control and Prevention (U.S.) "Elevated influenza activity : influenza B/Victoria and A(H1N1)pdm09 viruses are the predominant viruses" , no. 425 (2020) Centers for Disease Control and Prevention (U.S.) "Elevated influenza activity : influenza B/Victoria and A(H1N1)pdm09 viruses are the predominant viruses" , no. 425, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

January 10, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkJanuary 10, 2020, 1140 ET (11:40 AM ET)CDCHAN-00425The Centers for Disease Control and Prevention reminds ...
Outbreak of pneumonia of unknown etiology (PUE) in Wuhan, China

CITE Title : Outbreak of pneumonia of unknown etiology (PUE) in Wuhan, China Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : January 8, 2020 Pages in Document : 2 unnumbered pages Series : Health Alert Network Source : HAN ; 424 URL : https://stacks.cdc.gov/view/cdc/84091 Centers for Disease Control and Prevention (U.S.) (2020). Outbreak of pneumonia of unknown etiology (PUE) in Wuhan, China. (424). Centers for Disease Control and Prevention (U.S.) "Outbreak of pneumonia of unknown etiology (PUE) in Wuhan, China" , no. 424 (2020) Centers for Disease Control and Prevention (U.S.) "Outbreak of pneumonia of unknown etiology (PUE) in Wuhan, China" , no. 424, 2020 Export RIS Citation Information.

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Centers for Disease Control and Prevention (U.S.)

January 8, 2020 | Health Alert Network

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Distributed via the CDC Health Alert NetworkJanuary 8, 2020, 1615 ET (04:15 PM ET)CDCHAN-00424The Centers for Disease Control and Prevention (CDC) is ...