Los Angeles Health Alert Network

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 outbreaks, emerging health issues, immunizations, and drug shortages. 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.
2018 HAN Communications
LAC DPH Health Alert:
Measles Exposure in Los Angeles County
CDC Health Advisory:
Influenza A (H1N2) Variant Virus in CA Residents with Exposure to Pig
LAC DPH Health Advisory:
Middle East Respiratory Syndrome Coronavirus
CDPH Health Update:
Ebola Outbreak in the Democratic Republic of Congo is Declared Over
CDC Health Update:
Rising Numbers of Deaths Involving Fentanyl and Fentanyl Analogs, Including Carfentanil, and Increased Usage and Mixing with Non-opioids
LAC DPH Health Alert:
Wound Botulism Cases Associated with Heroin
CDC Health Advisory:
Outbreak of Hepatitis A Virus (HAV) Infections among Persons Who Use Drugs and Persons Experiencing Homelessness
CDC Health Update:
Managing and Reporting Shigella Infections with Possible Reduced Susceptibility to Ciprofloxacin
CDC Health Advisory:
Outbreak of Life-Threatening Coagulopathy Associated with Synthetic Cannabinoids Use
LAC DPH Health Advisory:
Fentanyl Overdoses Related to Illicit Drug Use
CDPH Health Alert:
Ebola Outbreak in the Democratic Republic of Congo
CDPH Health Advisory:
Multistate Outbreak of Serratia Marcescens Bloodstream Infections
CAHAN San Diego Health Advisory:
Wound Botulism Cases Associated with Black Tar Heroin
LAC DPH Health Update:
Need for Continued Vigilance for Hepatitis A Infection and Vaccination for High Risk Groups
LAC DPH Health Advisory:
Potential Mumps Exposure from National Cheerleading Competition in Texas
LAC DPH Health Advisory:
Updated California Zika Testing Guidelines and a Local Case of Sexually Transmitted Zika
2017 HAN Communications
CDC Health Advisory:
Seasonal Influenza A(H3N2) Activity and Treatment
LAC DPH Health Advisory:
Meningococcal Outbreak at Oregon State University
CDPH Health Notification:
Legionellosis Associated with Travel to Anaheim, California
Webinar:
Hepatitis A Outbreak in LA County
LAC DPH Health Alert:
Increase in Hepatitis A among Men Who Have Sex with Men (MSM) in Los Angeles County
CDC Health Advisory:
Advice for Health Care Providers Treating Patients in or Recently Returned from Hurricane-Affected Areas, Including Puerto Rico and the US Virgin Islands
LAC DPH Health Alert:
Outbreak of Hepatitis A in Los Angeles County among the Homeless and People who use Illicit Drugs
CDC Health Advisory:
Increase in Reported Cases of Cyclospora cayetanensis Infection, United States, Summer 2017
CDPH Health Advisory:
CDPH Updated Guidance for Providers Caring for Pregnant Women with Possible Zika Virus Exposure
LAC DPH Health Advisory:
Detection and Prevention of Hepatitis A among the Homeless and People who use Illicit Drugs in Los Angeles County
LAC DPH Health Advisory:
Meningococcal Outbreak and Importance of Completing Vaccine Series for HIV-Infected Individuals
CDC Health Advisory:
Patients Receiving Eculizumab (Soliris®) at High Risk for Invasive Meningococcal Disease Despite Vaccination
LAC DPH Health Alert:
Mumps Outbreak in Adults in Los Angeles County
CDC Health Advisory:
Potential for Falsely Low Blood Lead Test Results from LeadCare® Analyzers
LAC DPH Health Information:
Rx for Prevention is Back - Subscribe Here
CDC and LAC DPH Health Advisory:
Recommendations for Diagnosing and Managing Shigella Strains with Possible Reduced Susceptibility to Ciprofloxacin
LAC DPH Health Alert:
Mumps Clusters in Adults in Los Angeles County
LAC DPH Health Advisory:
First mcr-1 Producing Bacteria Identified in a Los Angeles County Resident
LAC DPH Health Information:
New Health Officer Order – Health Facilities to Report Carbapenem-Resistant Enterobacteriaceae and Antimicrobial Resistance
2013-16 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.
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