Los Angeles Health Alert Network

Contact Information
Los Angeles Health Alert Network
Email: lahan@ph.lacounty.gov
LAHAN Archive 2013-2018

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.
2019-20 HAN Communications
To see current health alerts:
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2018 HAN Communications
December 10, 2018
CDC Health Update:
Outbreak of Life-threatening Coagulopathy Associated with Synthetic Cannabinoids Use
November 30, 2018
LAC DPH Health Advisory:
New Cases of Hepatitis A Among Persons Experiencing Homelessness and/or Using Illicit Drugs
November 26, 2018
LAC DPH Health Alert:
Local Cases of Shiga Toxin-Producing E. Coli Linked to Romaine Lettuce
November 21, 2018
LAC DPH/DMH Health Advisory:
Identifying and Managing the Mental Health Impacts of the Woolsey Fire on Residents and First Responders
November 20, 2018
LAC DPH Health Advisory:
Measles Outbreaks in Israel, NYC and Surrounding Areas
October 18, 2018
CDPH Notification:
National Increase in Reports of Suspected Acute Flaccid Myelitis Cases
October 12, 2018
LAC DPH Health Update:
Outbreaks of Flea-BorneTyphus in Los Angeles County
October 4, 2018
LAC DPH Health Alert:
Outbreak of Flea-Borne Typhus in Downtown Los Angeles
October 1, 2018
LAC DPH Health Advisory:
Human Case of St. Louis Encephalitis in Los Angeles County
September 7, 2018
CDC Health Advisory:
Advice to Clinicians about Leptospirosis in U.S. Travelers Returning from Northern Israel
August 20, 2018
LAC DPH Health Alert:
Measles Exposure in Los Angeles County
August 10, 2018
CDC Health Advisory:
Influenza A (H1N2) Variant Virus in CA Residents with Exposure to Pig
August 9, 2018
LAC DPH Health Advisory:
Middle East Respiratory Syndrome Coronavirus
July 31, 2018
CDPH Health Update:
Ebola Outbreak in the Democratic Republic of Congo is Declared Over
July 11, 2018
CDC Health Update:
Rising Numbers of Deaths Involving Fentanyl and Fentanyl Analogs, Including Carfentanil, and Increased Usage and Mixing with Non-opioids
July 2, 2018
LAC DPH Health Alert:
Wound Botulism Cases Associated with Heroin
June 11, 2018
CDC Health Advisory:
Outbreak of Hepatitis A Virus (HAV) Infections among Persons Who Use Drugs and Persons Experiencing Homelessness
June 8, 2018
CDC Health Update:
Managing and Reporting Shigella Infections with Possible Reduced Susceptibility to Ciprofloxacin
May 25, 2018
CDC Health Advisory:
Outbreak of Life-Threatening Coagulopathy Associated with Synthetic Cannabinoids Use
May 24, 2018
LAC DPH Health Advisory:
Fentanyl Overdoses Related to Illicit Drug Use
May 23, 2018
CDPH Health Alert:
Ebola Outbreak in the Democratic Republic of Congo
April 25, 2018
CDPH Health Advisory:
Multistate Outbreak of Serratia Marcescens Bloodstream Infections
April 11, 2018
CAHAN San Diego Health Advisory:
Wound Botulism Cases Associated with Black Tar Heroin
March 15, 2018
LAC DPH Health Update:
Need for Continued Vigilance for Hepatitis A Infection and Vaccination for High Risk Groups
March 9, 2018
LAC DPH Health Advisory:
Potential Mumps Exposure from National Cheerleading Competition in Texas
January 4, 2018
LAC DPH Health Advisory:
Updated California Zika Testing Guidelines and a Local Case of Sexually Transmitted Zika
2017 HAN Communications
Dec 27, 2017
CDC Health Advisory:
Seasonal Influenza A(H3N2) Activity and Treatment
Dec 13, 2017
LAC DPH Health Advisory:
Meningococcal Outbreak at Oregon State University
Nov 14, 2017
CDPH Health Notification:
Legionellosis Associated with Travel to Anaheim, California
Nov 11, 2017
Webinar:
Hepatitis A Outbreak in LA County
Nov 2, 2017
LAC DPH Health Alert:
Increase in Hepatitis A among Men Who Have Sex with Men (MSM) in Los Angeles County
Oct 24, 2017
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
Sept 19, 2017
LAC DPH Health Alert:
Outbreak of Hepatitis A in Los Angeles County among the Homeless and People who use Illicit Drugs
Aug 9, 2017
CDC Health Advisory:
Increase in Reported Cases of Cyclospora cayetanensis Infection, United States, Summer 2017
Aug 3, 2017
CDPH Health Advisory:
CDPH Updated Guidance for Providers Caring for Pregnant Women with Possible Zika Virus Exposure
July 31, 2017
LAC DPH Health Advisory:
Detection and Prevention of Hepatitis A among the Homeless and People who use Illicit Drugs in Los Angeles County
July 19, 2017
LAC DPH Health Advisory:
Meningococcal Outbreak and Importance of Completing Vaccine Series for HIV-Infected Individuals
July 7, 2017
CDC Health Advisory:
Patients Receiving Eculizumab (Soliris®) at High Risk for Invasive Meningococcal Disease Despite Vaccination
June 1, 2017
LAC DPH Health Alert:
Mumps Outbreak in Adults in Los Angeles County
May 17, 2017
CDC Health Advisory:
Potential for Falsely Low Blood Lead Test Results from LeadCare® Analyzers
May 4, 2017
LAC DPH Health Information:
Rx for Prevention is Back - Subscribe Here
April 19, 2017
CDC and LAC DPH Health Advisory:
Recommendations for Diagnosing and Managing Shigella Strains with Possible Reduced Susceptibility to Ciprofloxacin
March 9, 2017
LAC DPH Health Alert:
Mumps Clusters in Adults in Los Angeles County
Jan 31, 2017
LAC DPH Health Advisory:
First mcr-1 Producing Bacteria Identified in a Los Angeles County Resident
Jan 19, 2017
LAC DPH Health Information:
New Health Officer Order – Health Facilities to Report Carbapenem-Resistant Enterobacteriaceae and Antimicrobial Resistance
2016 HAN Communications
Dec 23, 2016
LAC DPH Health Alert:
Measles Outbreak in Los Angeles County
Dec 14, 2016
CDC Health Advisory:
Guidance for Travel and Testing of Pregnant Women and Women of Reproductive Age for Zika- Brownsville, Texas
Nov 29, 2016
LAC DPH Health Information:
STD Rates on the Rise in Los Angeles County
Oct 20, 2016
CDC Health Update #2:
Guidance for Travel and Testing of Pregnant Women and Women of Reproductive Age for Zika- Miami-Dade County, Florida
Oct 17, 2016
CDC Health Advisory:
Open-Chest Cardiac Surgery Patients and Risk of Non-Tuberculous Mycobacterium
Sept 20, 2016
CDC Health Update:
Guidance for Travel and Testing of Pregnant Women and Women of Reproductive Age for Zika- Miami-Dade County, Florida
Aug 29, 2016
LAC DPH Health Advisory:
Increased Risk of Fentanyl-Related Overdoses
Aug 24, 2016
LAC DPH Health Alert:
Cluster of Shigella flexneri Infections among Men in Los Angeles and Other Southern California Counties
Aug 23, 2016
LAC DPH Health Alert: (Revised August 29)
Outbreak of Synthetic Cannabinoid (“Spice”) Overdoses
Aug 3, 2016
CDC Health Advisory:
CDC Guidance related to local mosquito-borne Zika virus transmission in Florida
July 26, 2016
LAC DPH Health Alert:
Meningococcal Vaccine Now Recommended For All Men Who Have Sex With Men (MSM)
Jun 24, 2016
LAC DPH Health Alert:
Outbreak of Meningococcal Disease among adult Males in Southern California
June 14, 2016
CDC Health Advisory:
Alert to U.S. Healthcare Facilities: First mcr-1 Gene in E. coli Bacteria found in a Human in the United States
June 2, 2016
LAC DPH Health Advisory:
Bicillin L-A® (Benzathine Penicillin G) Shortage
May 27, 2016
CDC Health Update:
Testing of Urine Specimens for Zika Virus Infection
April 14, 2016
CDPH Drug Overdose Health Alert:
Fentanyl-Contaminated Street Norco
April 8, 2016
CDPH Health Information:
CDPH Provider Call - Zika Virus Disease and California’s Response, April 20, 2016
CDC Guidance on Preventing Transmission of Zika Virus in Labor and Delivery Settings
March 25, 2016
LAC DPH Health Update:
Zika Virus Infection Update #4 - Updated CDC Interim Guidance for Prevention of Sexual Transmission and for Health Care Providers Caring for Women of Reproductive Age
March 8, 2016
LAC DPH Health Update:
Aliso Canyon Natural Gas Leak Resolution and Follow-up
March 3, 2016
LAC DPH Health Update:
Zika Virus Infection Update #3 – Revised Instructions for Zika Testing and Reporting in Los Angeles County
March 1, 2016
Webinar:
Zika Virus, Pregnancy and Sex: Up-to-Date Information for Los Angeles Health Care Providers
Feb 23, 2016
CDC Health Advisory:
Update: Interim Guidelines for Prevention of Sexual Transmission of Zika Virus — United States, 2016
Feb 5, 2016
LAC DPH Health Update:
Zika Virus Infection Update #2 – Revised Management Recommendations for Pregnant Women and Guidance to Prevent Sexual Transmission
Feb 1, 2016
CDC Health Advisory:
Flu Season Begins-Severe Influenza Illness Reported
Jan 28, 2016
LAC DPH Health Update:
Zika Virus Infection – Testing and Reporting in Los Angeles County
Jan 22, 2016
LAC DPH Health Advisory:
Aliso Canyon Gas Leak-Fact Sheet for Medical Providers
Jan 15, 2016
CDC Health Advisory:
Zika Virus Infections
Jan 5, 2016
LACDPH Health Update:
Guinea Declared Ebola-free
2015 HAN Communications
Oct 26, 2015
CDC Health Advisory:
Increases in Fentanyl Drug Confiscations and Fentanyl-related Overdose Fatalities
Oct 2, 2015
CDC Health Update:
REVISION to ADVISORY  Immediate Need for Healthcare Facilities to Review Procedures for Cleaning, Disinfecting, and Sterilizing Reusable Medical Devices
Sept 23, 2015
LACDPH Health Information:
Use of Nucleic Acid Amplification Tests (NAATs) to Detect Active Tuberculosis
Sept 11, 2015
CDC Health Advisory:
Immediate Need for Healthcare Facilities to Review Procedures for Cleaning, Disinfecting, and Sterilizing Reusable Medical Devices
July 23, 2015
Webinar:
Pertussis in California
June 24, 2015
LACDPH Health Update:
Ebola Risk and Management of Travelers Returning from Liberia
June 19, 2015
LACDPH Health Update:
Meningitis Vaccine for MSM Travel to Chicago Pride Events
June 5, 2015
LACDPH Health Advisory:
South Korean MERS-Preparing for Internationally Transmitted Diseases
June 3, 2015
CDC Health Advisory:
Bird Infections with Highly-Pathogenic Avian Influenza A Viruses: Recommendations for Human Health Investigations and Response
March 5, 2015
LACDPH Health Advisory:
Nearby Clusters of Ocular Syphilis Require Provider Vigilance
Feb 27, 2015
LACDPH Health Update:
Vaccinate High Risk Men Who Have Sex with Men (MSM) to Prevent Invasive Meningococcal Disease
Feb 10, 2015
Webinar:
Measles Update: A Primer for Health Care Providers
Jan 27, 2015
LACDPH Health Advisory:
Chikungunya Fever among Returning Travelers from El Salvador
Jan 23, 2015
LACDPH Health Update:
Measles Outbreak in Los Angeles County Associated with Disneyland Parks
Jan 14, 2015
LACDPH Health Update:
Access to Antiviral Medication for Treatment of Influenza
Jan 8, 2015
CDPH Health Advisory:
Seven Confirmed Measles Cases in California in 2015
2014 HAN Communications

Date
Subject
Dec 5, 2014
CDC Health Advisory:
Potential for Circulation of Drifted Influenza A (H3N2) Viruses
Nov 26, 2014
CDC Health Advisory:
Fatal Gastrointestinal Mucormycosis in an Infant Following Ingestion of Contaminated Dietary Supplement
Nov 19, 2014
LACDPH Health Update:
Ebola Virus Disease (Ebola) Update #2
Oct 21, 2014
LACDPH Health Update:
Ebola Virus Disease (Ebola) Update
Oct 17, 2014
LACDPH Health Update:
Ebola Preparedness and Response for Outpatient Health Care Providers
Oct 3, 2014
CDC Health Advisory:
Evaluating Patients for Possible Ebola Virus Disease: Recommendations for Healthcare Personnel and Health Officials
Sept 29, 2014
CDC Health Advisory:
Acute Neurologic Illness of Unknown Etiology in Children
Sept 11, 2014
LACDPH Health Advisory:
Enterovirus 68 (EV-D68)
Sept 10, 2014
LACDPH Health Update:
Update on Ebola Virus Disease (EVD) in West Africa
Aug 14, 2014
LACDPH Health Advisory:
Evaluation, reporting and management of suspect Ebola cases in Los Angeles County
Aug 4, 2014
CDPH Health Advisory:
Response to Persons with Possible Ebola Virus Infection: Information for Health Care Providers in California
July 28, 2014
CDC Health Advisory:
Ebola Virus Disease Confirmed in a Traveler to Nigeria and Two U.S. Healthcare Workers in Liberia
July 15, 2014
LACDPH Health Advisory:
Large Numbers of Pertussis Cases in Los Angeles County
June 3, 2014
CDC Health Advisory:
Guidance Regarding New WHO Polio Vaccination Requirements for Travel
May 21, 2014
CDPH Health Advisory:
Mercury Poisoning Linked to Skin Creams From Mexico
May 3, 2014
CDC Health Advisory:
Confirmed Middle East Respiratory Syndrome Coronavirus (MERS-CoV) Case in Indiana, 2014
April 2, 2014
LACDPH Health Alert:
Invasive Meningococcal Disease Update: New Vaccine Recommendations for Men who Have Sex with Men (MSM)
Jan 30, 2014
LACDPH Health Alert:
Prompt Reporting of Suspect Measles Cases is Critical to Prevent New Infections and Serious Complications
Jan 16, 2014
LACDPH Health Update:
Consider Antivirals For High Risk Influenza Patients
 
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