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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 Division 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

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.

2024 HAN Communications

	Evaluation and Testing for Human Avian Influenza A(H5N1) Infection CDPH Health Update (Revised 12.16.24) PDF \| Web/Mobile
	Mycoplasma pneumoniae Infections Among Children and Adolescents During Fall and Winter Respiratory Illness Season CDPH Health Advisory PDF \| Web/Mobile
	First Case of Clade I Mpox Diagnosed in the United States CDC Health Advisory PDF \| Web/Mobile
	Updated Syphilis Screening Recommendations CDPH Health Update PDF \| Web/Mobile
	California Statewide Discontinuation of Ciprofloxacin for Invasive Meningococcal Disease Post-Exposure Prophylaxis CDPH Health Advisory PDF \| Web/Mobile
	First Cases of Human Avian Influenza A (H5N1) in California & Preparation for the Respiratory Virus Season CDPH Health Advisory PDF \| Web/Mobile
	First Marburg Virus Disease Outbreak in the Republic of Rwanda CDC Health Advisory PDF \| Web/Mobile
	Mpox Clade I & II – Prevention in the US and Before Travel CDC/LAC DPH Health Update PDF \| Web/Mobile
	Cluster of Locally Acquired Cases of Dengue in Los Angeles County LAC DPH Health Update PDF \| Web/Mobile
	Human Infections with Baylisascaris procyonis (Raccoon Roundworm) LAC DPH Health Alert PDF \| Web/Mobile
	Locally Acquired Case of Dengue in Los Angeles County LAC DPH Health Alert PDF \| Web/Mobile
	Detection of Highly Pathogenic Avian Influenza (HPAI) A(H5N1) in California Dairy Cattle CDPH Health Advisory PDF \| Web/Mobile
	Increased Oropouche Virus Activity and Associated Risk to Travelers CDC Health Advisory PDF \| Web/Mobile
	Increase in Human Parvovirus B19 Activity in the United States CDC Health Advisory PDF \| Web/Mobile
	Rise in Extensively Drug-Resistant Shigella Strains-January to May 2024 CDPH Health Advisory PDF \| Web/Mobile
	Mpox Caused by Human-to-Human Transmission of Monkeypox Virus in the Democratic Republic of the Congo with Spread to Neighboring Countries CDC Health Update PDF \| Web/Mobile
	Webinar with CME. Dengue on 7/11/24, 12pm LAC DPH Health Information Flyer \| Web/Mobile
	Increased Risk of Dengue Virus Infections in the United States CDC Health Advisory PDF \| Web/Mobile
	Severe Acute Illnesses and Hospitalizations Linked to Diamond Shruumz ™ Chocolate Bars, Cones, and Gummies (Microdose Products) CDPH Health Advisory PDF \| Web/Mobile
	Reports of Rare, Severe Dermatophyte Infections Associated with Sexual Contact in the United States CDPH Health Advisory PDF \| Web/Mobile
	Disrupted Access to Prescription Stimulant Medications Could Increase Risk of Injury and Overdose CDC Health Advisory PDF \| Web/Mobile
	Influenza A Testing Guidance: Enhanced Surveillance During the Summer Months CDPH Health Update PDF \| Web/Mobile Note for laboratories: Please see LAC DPH Laboratory Alert Notification--Enhanced Influenza Surveillance (6-13-24).
	Severe Illness Potentially Associated with Consuming Diamond Shruumz™ Brand Chocolate Bars, Cones, and Gummies CDC Health Advisory PDF \| Web/Mobile
	Meningococcal Disease—Ciprofloxacin Resistance in Southern California and Cases Linked to Travel to the Kingdom of Saudi Arabia LAC DPH Health Advisory PDF \| Web/Mobile
	Local Outbreak of Hepatitis A among Persons Experiencing Homelessness and/or who use Illicit Drugs LAC DPH Alert PDF \| Web/Mobile
	Adverse Effects Linked to Counterfeit or Mishandled Botulinum Toxin Injections CDC Health Advisory PDF \| Web/Mobile
	Fatality from Lead Poisoning Linked to Use of Hemorrhoid Ointment from Vietnam CDPH Health Advisory PDF \| Web/Mobile
	Highly Pathogenic Avian Influenza A(H5N1) Virus: Identification of Human Infection and Recommendations for Investigations and Response CDC Health Advisory PDF \| Web/Mobile
	Increase in Invasive Serogroup Y Meningococcal Disease in the United States CDC Health Advisory PDF \| Web/Mobile
	Extension of Long-Acting Benzathine Penicillin G (Bicillin® L-A) Shortage CDPH Health Advisory PDF \| Web/Mobile
	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 CDC Health Advisory PDF \| Web/Mobile
	First LA County Measles Case LAC DPH Health Alert PDF \| Web/Mobile
	Substantial Rise in Coccidioidomycosis in California: Recommendations for Healthcare Providers CDPH Health Advisory PDF \| Web/Mobile

2023 HAN Communications

	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 CDC Health Advisory PDF \| Web/Mobile
	Severe and Fatal Confirmed Rocky Mountain Spotted Fever among People with Recent Travel to Tecate, Mexico CDC Health Advisory PDF \| Web/Mobile
	Mpox Caused by Human-to-Human Transmission of Monkeypox Virus with Geographic Spread in the Democratic Republic of the Congo CDC Health Advisory PDF \| Web/Mobile
	High Blood Lead Levels in Children Consuming Recalled Cinnamon Applesauce Pouches CDC Health Advisory PDF \| Web/Mobile
	Limited Availability of Nirsevimab in the United States--Interim CDC Recommendations to Protect Infants from RSV during the 2023-2024 Respiratory Virus Season CDC Health Advisory PDF \| Web/Mobile
	First Locally Acquired Case of Dengue in California Detected in Pasadena LAC DPH Health Alert PDF \| Web/Mobile
	Preparation for Respiratory Virus Season (COVID-19, Influenza and RSV) CDPH Health Advisory PDF \| Web/Mobile
	Prevent Severe RSV in Infants with Maternal or Infant Immunization LAC DPH Health Advisory PDF \| Web/Mobile
	Influenza and COVID-19 Immunization or Masking Requirement for Healthcare Personnel LAC DPH Health Update PDF \| Web/Mobile
	2023-2024 COVID-19 Vaccines LAC DPH Health Advisory PDF \| Web/Mobile
	Immunize Infants and Older Adults to Protect them from Severe RSV LAC DPH Health Advisory PDF \| Web/Mobile
	*Severe Vibrio vulnificus* Infections in the United States Associated with Warming Coastal Waters** CDC Health Advisory PDF \| Web/Mobile
	*Outbreak of Aeromonas* Skin Infections Associated with an Adventure Race, Sonoma, California** CDPH Health Advisory PDF \| Web/Mobile
	Important Updates on Locally Acquired Malaria Cases Identified in Florida, Texas, and Maryland CDC Health Update PDF \| Web/Mobile
	Listeria Associated with Soft Serve Ice Cream Distributed to Long-Term Care Facilities CDPH Health Advisory PDF \| Web/Mobile
	Global Epidemic Comes to California - Silicosis in Countertop Worker CDPH Health Advisorys PDF \| Web/Mobile
	Certifying Deaths Due to COVID-19 LAC DPH Health Information PDF \| Web/Mobile
	Locally Acquired Malaria Cases Identified in the United States CDC Health Advisory PDF \| Web/Mobile
	Request to Submit Specimens from Patients Receiving Intensive Care for Influenza A to Public Health Laboratories CDPH Health Update PDF \| Web/Mobile
	Guidance on Measles during the Summer Travel Season CDC Health Advisory PDF \| Web/Mobile
	Bicillin® L-A (Benzathine Penicillin G) Shortage CDPH Health Advisory PDF \| Web/Mobile
	Potential Risk for New Mpox Cases CDC Health Update PDF \| Web/Mobile
	Marburg Virus Disease Outbreaks in Equatorial Guinea and Tanzania CDC Health Advisory PDF \| Web/Mobile
	Updates on Identification, Laboratory Testing, Management and Treatment, and Vaccination for Mpox Virus Infection in California CDPH Health Advisory PDF \| Web/Mobile
	Elevated Norovirus Activity in California CDPH Health Advisory PDF \| Web/Mobile
	Measles Exposure at a Large Gathering in Kentucky, February 2023 and Global Measles Outbreaks CDC Health Advisory PDF \| Web/Mobile
	Increased Chikungunya Virus Activity in Paraguay and Associated Risk to Travelers CDC Health Advisory PDF \| Web/Mobile
	Increase in Extensively Drug-Resistant Shigellosis in the United States CDC Health Advisory PDF \| Web/Mobile
	Xylazine in Illicit Drugs Increasing Overdose Risks LAC DPH Health Advisory PDF \| Web/Mobile
	*Outbreak of Extensively Drug-resistant Pseudomonas aeruginosa* Associated with Artificial Tears** CDC Health Advisory PDF \| Web/Mobile

2013-22 HAN Communications

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