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Los Angeles Health Alert Network

Los Angeles Health Alert Network

Centers for Disease Control Health Alert Network California Health Alert Network Federal Drug Administration Safety Recalls Emergency Preparedness and Response Program Medical Reserve Corps Los Angeles Health Professional Disease Reporting DPH Resources for Health Professionals

Contact Information

Los Angeles Health Alert Network
Email: lahan@ph.lacounty.gov

Public Health COVID-19 webpage for health care providers

Los Angeles Health Alert Network

The Department of Public Health (DPH) emails priority communications to health care professionals through LAHAN. Topics include local or national disease outbreaks and emerging health risks. To receive LAHAN communications, click the ‘subscribe’ button. It takes less than a minute to sign up. DPH will not share your contact information.

LAHAN Communication Types

	Alert: Conveys the highest level of importance; warrants immediate action or attention.
	Advisory: Provides important information for a specific incident or situation; may not require immediate action.
	Update: Provides updated information regarding an incident or situation; unlikely to require immediate action.
	Information: Provides general information that is not necessarily considered to be of an emergent nature.

For COVID-19 resources for health professionals in LA County, click here.

2022 HAN Communications

	CDC Health Update Update on Managing Monkeypox in Patients Receiving Therapeutics PDF \| Web/Mobile
	LAC DPH Health Advisory Increases of Flea-Borne Typhus PDF \| Web/Mobile
	LAC DPH Health Update Antiviral Treatment and Chemoprophylaxis for Influenza Infection During SARS-CoV-2 Co-Circulation PDF \| Web/Mobile
	CDC Health Update Update on Ebola Virus Disease (Sudan ebolavirus) Outbreak in Central Uganda PDF \| Web/Mobile
	CDC Health Advisory Increased Respiratory Virus Activity, Especially Among Children, Early in the 2022-2023 Fall and Winter PDF \| Web/Mobile
	CDC Health Advisory Outbreaks of Nontuberculous Mycobacteria Infections Highlight Importance of Maintaining and Monitoring Dental Waterlines PDF \| Web/Mobile
	LAC DPH Health Update Fall Influenza and COVID-19 Vaccination PDF \| Web/Mobile
	CDC Health Advisory Outbreak of Ebola virus disease (Sudan ebolavirus) in Central Uganda PDF \| Web/Mobile
	CDPH Health Advisory Guidance for Safe Specimen Collection From Monkeypox (MPX) Lesions: Reminder to NOT De-roof Lesions and NOT Use Sharps PDF \| Web/Mobile
	CDPH Health Advisory Early Respiratory Syncytial Virus Activity and Use of Palivizumab PDF \| Web/Mobile
	CDC Health Advisory Severe Respiratory Illnesses Associated with Rhinoviruses and/or Enteroviruses Including EV-D68 – Multistate, 2022 PDF \| Web/Mobile
	LAC DPH Monkeypox Update Severe Disease, Testing, and Vaccine Eligibility PDF \| Web/Mobile
	LAC DPH COVID-19 Updates New Booster Recommendations, Observation Period, Co-Administration PDF \| Web/Mobile
	CDC Health Advisory CDC Health Advisory: Variant Influenza Virus Infections: Recommendations for Identification, Treatment, and Prevention for Summer and Fall 2022 PDF \| Web/Mobile
	LAC DPH Health Advisory Recent Report of Polio Case in Rockland County, New York PDF \| Web/Mobile
	LAC DPH Health Update Monkeypox Updates Including Expedited Testing for PEH and Alternative JYNNEOS Dosing PDF \| Web/Mobile
	CDC Health Update Monkeypox in People with HIV, Children and Adolescents, and People who are Pregnant or Breastfeeding PDF \| Web/Mobile
	CDC Health Update Update for Clinicians on Testing and Treatment for Monkeypox PDF \| Web/Mobile
	CDC Health Advisory Melioidosis Locally Endemic in Areas of the Mississippi Gulf Coast after Burkholderia pseudomallei Isolated in Soil and Water and Linked to Two Cases – Mississippi, 2020 and 2022 PDF \| Web/Mobile
	LAC DPH COVID-19 Update Therapeutics for SNFs, and Novavax PDF \| Web/Mobile
	LAC DPH Health Update Monkeypox Updates Including Provider Webinar Friday, July 22 PDF \| Web/Mobile
	LAC DPH Monkeypox Update Vaccine Referrals & Expanded Commercial Laboratories PDF \| Web/Mobile
	CDC Health Advisory Recent Reports of Human Parechovirus (PeV) in the United States—2022 PDF \| Web/Mobile
	LAC DPH Information Understanding CA Child Care and School Immunization Requirements and Medical Exemptions PDF \| Web/Mobile
	LAC DPH Health Update Monkeypox-Commercial Lab Testing, Reporting, & Vaccine Availability PDF \| Web/Mobile
	LAC DPH Health Update Vaccinating Children 6 Months of Age and Older PDF \| Web/Mobile
	CDPH Health Advisory Managing Monkeypox Virus Infection in California PDF \| Web/Mobile
	CDC Health Update Updated Case-finding Guidance: Monkeypox Outbreak-United States, 2022 PDF \| Web/Mobile
	LAC DPH Health Update Monkeypox Updates and Provider Webinar this Thursday, June 9, 2022 PDF \| Web/Mobile
	LAC DPH Health Update Isolation and Quarantine for General Public PDF \| Web/Mobile
	LAC DPH Health Alert Contaminated Ecstasy and Accidental Drug Overdoses PDF \| Web/Mobile
	CDPH Health Advisory Monkeypox Virus Infection in the United States and Other Non-endemic Countries PDF \| Web/Mobile
	LAC DPH Health Advisory Florida Meningococcal Outbreak in Gay, Bisexual, and Other MSM and Vaccine Recommendations for LAC PDF \| Web/Mobile
	LAC DPH COVID-19 Vaccine Update Vaccine Recommendations-Boosters and Staying Up to Date with Doses PDF \| Web/Mobile
	CDC Health Advisory COVID-19 Rebound After Paxlovid Treatment PDF \| Web/Mobile
	CDC Health Advisory Monkeypox Virus Infection in the United States and Other Non-endemic Countries PDF \| Web/Mobile
	CDPH Health Advisory Seasonal Influenza Activity is Increasing in California PDF \| Web/Mobile
	CDPH Health Advisory CDPH Advises Parents and Caregivers Against Making or Feeding Homemade Infant Formula to Infants PDF
	CDC Health Update Updated Recommendations for Adenovirus Testing and Reporting of Children with Acute Hepatitis of Unknown Etiology
	CDPH Health Update Update on Test-to-Treat Programs in California PDF \| Web/Mobile
	CDC Health Advisory Highly Pathogenic Avian Influenza A(H5N1) Virus: Recommendations for Human Health Investigations and Response PDF Web
	CDC Health Advisory Updated Information on Availability and Use of Treatments for Outpatients with Mild to Moderate COVID-19 Who are at Increased Risk for Severe Outcomes of COVID-19
	CDC Health Advisory Recommendations for Adenovirus Testing and Reporting of Children with Acute Hepatitis of Unknown Etiology
	CDPH Health Update Use of Outpatient COVID-19 Therapeutics in California
	CDPH Health Update Federal Test-to-Treat Program in California
	LAC DPH Health Advisory Temporary National Shortage of Rifampin Oral Capsules
	LAC DPH Health Update Revisions to Evusheld Dosing
	CDPH Health Update Distribution and Patient Prioritization for Tixagevimab/Cilgavimab (Evusheld)
	CDPH State Health Officer Order Revision of Mandatory Reporting of COVID-19 Results
	LAC DPH Health Advisory Availability of Therapeutics for Treatment and Pre-exposure Prophylaxis of COVID-19
	CDPH Health Advisory Omicron Variant Update: Therapeutics Changes for Outpatient Treatment of Mild to Moderate COVID-19
	LAC DPH Health Advisory Addressing Low COVID-19 Vaccination Rates in Children 5-11 Years of Age
	CDPH AFL Guidance on Quarantine and Isolation for Health Care Personnel (HCP) Exposed to SARS-CoV-2 and Return to Work for HCP with COVID-19
	LAC DPH Health Alert Surge in Emergency Response System and Emergency Departments

2021 HAN Communications

	CDC Health Advisory Using Therapeutics to Prevent and Treat COVID-19
	LAC DPH Health Advisory Availability of Molnupiravir and Paxlovid for Treatment of Mild to Moderate COVID-19
	CDC Health Advisory Rapid Increase of Omicron Variant Infections in the United States: Management of Healthcare Personnel with SARS-CoV-2 Infection or Exposure NOTE: Healthcare Facilities in California must follow the CDPH All Facilities Letter (AFL) 21-08.6: Guidance on Quarantine for Health Care Personnel (HCP) Exposed to SARS-CoV-2 and Return to Work for HCP with COVID-19 released on 12-30-21.
	CDPH Health Alert Authorization of Molnupiravir for Treatment of Mild to Moderate COVID-19, Distribution, Patient Prioritization, and Ethical Considerations
	CDPH Health Alert Authorization of Paxlovid for Treatment of Mild to Moderate COVID-19, Distribution, Patient Prioritization, and Ethical Considerations
	LAC DPH/CDC/CDPH Health Advisory Mitigating COVID-19 Surge with COVID-19 Vaccination and Boosters; mRNA vaccines recommended over J&J
	CDPH Disease Notification Act Now Ahead of Influenza Season: Recommendations for Healthcare Providers
	CDPH Updated Health Alert SARS-CoV-Virus Variant of Concern B.1.1.529 (Omicron)
	CDC Health Advisory New SARS-CoV-2 Variant of Concern Identified: Omicron (B.1.1.529) Variant
	LAC DPH Health Alert Outbreaks of Flea-Borne Typhus
	CDPH Health Alert SARS-CoV-2 Virus Variant of Concern B.1.1.529 (Omicron)
	CDC Health Advisory Increasing Seasonal Influenza A (H3N2) Activity, Especially Among Young Adults and in College and University Settings, During SARS-CoV-2 Circulation
	CDC Health Update Update: Expansion of Recall of LeadCare Blood Lead Tests Due to Risk of Falsely Low Results
	CDC Health Update Source Identified and Case Definition Established: Multistate Investigation of Non-travel Associated Burkholderia pseudomallei Infections (Melioidosis) in Four Patients: Georgia, Kansas, Minnesota, and Texas – 2021
	CDPH Disease Notification Anti-SARS-CoV-2 Monoclonal Antibodies
	LAC DPH Health Update Booster Doses—Correction and Resources
	LAC DPH Health Update Booster Doses
	CDC Health Update Source Implicated in Fatal Case in Georgia: Multistate Outbreak of Non-travel Associated Burkholderia pseudomallei Infections (Melioidosis) in Four Patients: Georgia, Kansas, Minnesota, and Texas–2021
	LAC DPH Health Advisory Foul Odors Reported in the Vicinity of the Dominguez Channel in Carson and Surrounding Communities
	CDC Health Update Expansion of Recall of LeadCare Blood Lead Tests Due to Risk of Falsely Low Results
	CDC Health Advisory COVID-19 Vaccination for Pregnant People to Prevent Serious Illness, Deaths, and Adverse Pregnancy Outcomes from COVID-19
	CDPH Health Advisory Influenza and Respiratory Syncytial Virus Activity and Guidance for Clinicians
	CDC Health Advisory Guidance for Clinicians Caring for Individuals Recently Evacuated from Afghanistan
	CDC Health Advisory Increases in Availability of Cannabis Products Containing Delta-8 THC and Reported Cases of Adverse Events
	LAC DPH COVID-19 Update COVID-19 Vaccine Additional Dose vs Booster and Vaccine Coadministration
	CDC Health Advisory Rapid Increase in Ivermectin Prescriptions and Reports of Severe Illness Associated with Use of Products Containing Ivermectin to Prevent or Treat COVID-19
	LAC DPH COVID-19 Vaccine Update Additional mRNA Dose for Immunocompromised Persons & LA County Healthcare Worker Vaccine Mandate
	LAC DPH Health Advisory: Increased Interseasonal Activity of Respiratory Syncytial Virus in Los Angeles County
	CDC Health Update: New Case Identified: Multistate Investigation of Non-travel Associated Burkholderia pseudomallei Infections (Melioidosis) in Four Patients: Georgia, Kansas, Minnesota, and Texas — 2021
	CDPH State Public Health Officer Order: Health Care Worker Vaccine Requirement (8-5-21)
	CDPH State Public Health Officer Order: Unvaccinated Workers in High Risk Settings (7-26-21)
	CDC Health Advisory Vaccination to Prevent COVID-19 Outbreaks with Current and Emergent Variants — United States, 2021
	CDC Health Advisory Potential Exposure to Person with Confirmed Human Monkeypox Infection — United States, 2021
	CDC Health Advisory Recall of LeadCare® Blood Lead Tests Due to Risk of Falsely Low Results
	CDC Health Advisory Multistate Investigation of Non-travel Associated Burkholderia pseudomallei Infections (Melioidosis) in Three Patients: Kansas, Texas, and Minnesota—2021
	CDC Health Advisory Increased Interseasonal Respiratory Syncytial Virus (RSV) Activity in Parts of the Southern United States
	LAC DPH COVID-19 Updates SARS-CoV-2 Testing Guidelines and More
	CDPH Health Advisory: Myocarditis and Pericarditis after Receipt of mRNA COVID-19 Vaccines Among Adolescents and Young Adults
	CDPH Health Advisory: Bamlanivimab plus Etesevimab No Longer Recommended for Use in California for COVID-19
	CDPH Disease Notification: Acute Non-Viral Hepatitis of Unknown Etiology Potentially Associated with an Alkaline Water Product
	LAC DPH COVID-19 Vaccine Update: Vaccination for Children and Homebound Persons
	CDC/FDA Update: Use of J&J to Resume in LA County
	CDC Health Alert: CDC/FDA Recommend that Providers Pause Administration of Johnson & Johnson COVID-19 Vaccine
	CDC Health Advisory: Acute Non-Viral Hepatitis of Unknown Etiology Potentially Associated with an Alkaline Water Product
	LAC DPH Health Update: School and Childcare Immunizations and Filing Medical Exemptions
	CDPH Health Alert: Concerns re: the Use of Bamlanivimab Monotherapy in the Setting of SARS-CoV-2 Variants
	LAC DPH COVID-19 Update: Vaccination for People at Higher Risk and Revised Recommendations for the Fully Vaccinated
	LAC DPH Health Alert: Ebola Virus Disease Outbreaks in the Democratic Republic of Congo and Guinea
	LAC DPH Health Alert: Wound Botulism Cases Associated with Heroin Injection
	CDPH Health Alert: SARS-CoV-2 virus variants of concern identified in CA
	CDPH Information: Increasing Disseminated Gonococcal Infections in California – Resources including a webinar on 2/23/21
	LAC DPH COVID-19 Update: Vaccinated Persons and Quarantine
	CDPH Health Advisory: Ongoing Risk of Highly Drug-Resistant Infections in Patients Following Hospitalization or Invasive Procedures in Mexico
	CDC Health Advisory: Extensively Drug-Resistant Salmonella Typhi Infections Among U.S. Residents Without International Travel
	LAC DPH Advisory: Limitations of SARS-CoV-2 Antigen Tests, Low Influenza Rates, Updates
	CDPH Vaccine Update: Providers that Paused Use of Moderna Lot 041L20A COVID-19 Vaccine Can Immediately Resume Administering Doses
	LAC DPH COVID-19 Information: Individuals Age 65 and Older and Vaccine MegaPOD Reminder
	CDPH Recommendation: That Providers Pause Administration of Moderna's COVID-19 Vaccine Lot 041L20A
	LAC DPH COVID-19 Information: Large Scale Vaccination Events for Phase 1A Healthcare Workers- Vaccination and Volunteer Opportunities

2013-20 HAN Communications

To see previously issued health alerts:
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Public Health has made reasonable efforts to provide accurate translation. However, no computerized translation is perfect and is not intended to replace traditional translation methods. If questions arise concerning the accuracy of the information, please refer to the English edition of the website, which is the official version.