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Health Alert Network (HAN) Health Alert Network (HAN)
Health Alert Network (HAN)

CDC's 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, and city/county partners to develop protocols and stakeholder relationships that will ensure a robust interoperable platform for the rapid distribution of public health information.

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    Update and interim guidance on outbreak of 2019 novel coronavirus (2019-nCoV) in Wuhan, China
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    Elevated influenza activity : influenza B/Victoria and A(H1N1)pdm09 viruses are the predominant viruses
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    Outbreak of pneumonia of unknown etiology (PUE) in Wuhan, China
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    Guidance for using rapid diagnostic tests for Ebola in the United States
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    Hot tub displays and Legionella risk—guidance for environmental and public health practitioners
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    Severe pulmonary disease associated with using e-cigarette products
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    Nationwide shortage of tuberculin skin test antigens : CDC recommendations for patient care and public health practice
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    Influenza season continues with an increase in influenza A(H3N2) activity
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    Update : Widespread outbreaks of hepatitis A among people who use drugs and people experiencing homelessness across the United States
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    Third Case of Rifampin/penicillin-resistant strain of RB51 Brucella from consuming raw milk
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