Los Angeles Health Alert Network

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Los Angeles Health Alert Network
Email: lahan@ph.lacounty.gov
Los Angeles Health Alert Network
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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
Red Box
Alert: Conveys the highest level of importance; warrants immediate action or attention.
Orange Box
Advisory: Provides important information for a specific incident or situation; may not require immediate action.
Yellow Box
Update: Provides updated information regarding an incident or situation; unlikely to require immediate action.
Blue Box
Information: Provides general information that is not necessarily considered to be of an emergent nature.
2019 HAN Communications
August 12, 2019
CDPH Health Alert:
Severe Acute Pulmonary Disease Associated with Cannabis or Cannabidiol Oil Vaping
July 30, 2019
LAC DPH Health Advisory:
Communicable Disease Recommendations Associated with the Hajj
July 23, 2019
LAC DPH Health Alert:
Ebola Virus Disease Outbreak in the Democratic Republic of Congo
July 5, 2019
CDPH Health Update:
Update and Recommendations - Shiga toxin-producing Escherichia coli (STEC) Infections Exposure at San Diego County Fair
July 2, 2019
CDPH Health Notification:
Shiga toxin-producing Escherichia coli (STEC) Infections Exposure at San Diego County Fair
June 12, 2019
CDC Health Advisory:
Nationwide Shortage of Tuberculin Skin Test Antigens - CDC Recommendations for Patient Care and Public Health Practice
May 24, 2019
LAC DPH Health Update:
Measles Situation Update and Revised Clinical Guidance
May 7, 2019
LAC DPH Health Advisory:
Candida auris Detected in Southern California Healthcare Facilities
April 26, 2019
LAC DPH Health Update:
Measles Prevention in LA County
April 22, 2019
LAC DPH Health Alert:
Measles Outbreak in LA County
April 3, 2019
CDPH Health Advisory:
Measles Clinical Guidance: Identification and Testing of Suspect Measles Cases
February 21, 2019
LAC DPH Health Advisory:
Hepatitis C Associated with Outpatient Clinic in Los Angeles
February 19, 2019
LAC DPH Health Alert:
Increase in Clusters of Pertussis in 11 to 18-Year-Olds in LA County
February 15, 2019
CDPH Health Advisory:
Ongoing Ebola Outbreak in the Democratic Republic of Congo – Screening for International Travel in Persons with Possible Infectious Disease Remains a Best Practice
January 23, 2019
CDC Health Advisory:
Third Case of Rifampin/Penicillin-Resistant Strain of RB51 Brucella from Consuming Raw Milk
January 22, 2019
LAC DPH Health Advisory:
Infections Associated with Unapproved Stem Cell Injections
January 14, 2019
CDC Travel Alert:
Carbapenem-Resistant Pseudomonas Aeruginosa Infections Following Invasive Medical Procedures in Tijuana, Mexico
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
2013-17 HAN Communications
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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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