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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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    Highly Pathogenic Avian Influenza A(H5N1) Virus : Identification of Human Infection and Recommendations for Investigations and Response
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    Increase in Invasive Serogroup Y Meningococcal Disease in the United States
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    Increase in Global and Domestic Measles Cases and Outbreaks : Ensure Children in the United States and Those Traveling Internationally 6 Months and Older are Current on MMR Vaccination
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    Urgent Need to Increase Immunization Coverage for Influenza, COVID-19, and RSV Immunizations and Use of Authorized/Approved Therapeutics in the Setting of Increased Respiratory Disease Activity During the 2023 – 2024 Winter Season
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    Mpox Caused by Human-to-Human Transmission of Monkeypox Virus with Geographic Spread in the Democratic Republic of the Congo
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    High Blood Lead Levels in Children Consuming Recalled Cinnamon Applesauce Pouches
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    Limited Availability of Nirsevimab in the United States—Interim CDC Recommendations to Protect Infants from Respiratory Syncytial Virus (RSV) during the 2023–2024 Respiratory Virus Season
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    Increased Respiratory Syncytial Virus (RSV) Activity in Parts of the Southeastern United States : New Prevention Tools Available to Protect Patients
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    Severe Vibrio vulnificus Infections in the United States Associated with Warming Coastal Waters
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    Important Updates on Locally Acquired Malaria Cases Identified in Florida, Texas, and Maryland
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    Wildfire smoke exposure poses threat to at-risk populations
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    Locally acquired malaria cases identified in the United States
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