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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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    Recall of LeadCare® blood lead tests due to risk of falsely low results
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    Multistate investigation of non-travel associated Burkholderia pseudomallei infections (melioidosis) in three patients: Kansas, Texas, and Minnesota—2021
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    Increased interseasonal respiratory syncytial virus (RSV) activity in parts of the southern United States
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    Cases of cerebral venous sinus thrombosis with thrombocytopenia after receipt of the Johnson & Johnson COVID-19 vaccine
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    Acute non-viral hepatitis of unknown etiology potentially associated with an alkaline water product
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    2021 winter storms—clinical guidance for carbon monoxide (CO) poisoning
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    Extensively drug-resistant SalmonellaTyphi infections among U.S. residents without international travel
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    Increase in fatal drug overdoses across the United States driven by synthetic opioids before and during the COVID-19 pandemic
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    Hurricane Delta—clinical guidance for carbon monoxide (CO) poisoning
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    Recent HIV clusters and outbreaks across the United States among people who inject drugs and considerations during the COVID-19 pandemic
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