CAHAN San Diego Alerts
California Health Alert Network (CAHAN) San Diego Communications (Alerts, Advisories, Updates, and Information)—2019-2021
The County of San Diego Health and Human Services Agency (HHSA) Public Health Services (PHS) Division sends priority health communications to health care and public safety professionals in San Diego County through the California Health Alert Network (CAHAN) San Diego. Topics include communicable diseases outbreaks, emerging health issues, requests for heightened surveillance related to communicable diseases, recommendations on communicable disease identification, prevention, infection control, specimen submission and laboratory testing, and emergency preparedness information.
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CAHAN San Diego 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 attention.
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.
2021 CAHAN Communications
Health Advisory—January 21
Update #23: Coronavirus Disease 2019 (COVID-19) Vaccine Updates
Health Advisory—January 12
Expanded Syphilis Screening Recommendations for Prevention of Congenital Syphilis
Health Advisory—January 8
Update #22: Coronavirus Disease 2019 (COVID-19) Vaccine Update
Health Advisory—January 6
2020 CAHAN Communications
Health Advisory—December 28
Update #20: SARS-CoV-2 Virus Variant Identified in the United Kingdom
Health Advisory—December 16
Leptospirosis outbreak in dogs
Health Update—October 16
Update #19: Updated Coronavirus Disease 2019 (COVID-19) Test Result Reporting Guidance
Health Update—October 7
Health Advisory—August 21
Fentanyl Overdose Deaths Related to Illicit Drug Use
Health Information—August 20
Vector-Borne Illnesses of Public Health Significance
Health Update—August 17
Update #17: UPDATED Coronavirus Disease 2019 (COVID-19) Testing Guidance and Additional Updates
Table: Priority Level for Testing Criteria: Federal, State, and County Recommendations
Health Update—June 12
Update #16: Coronavirus Disease 2019 (COVID-19)
Health Update—June 11
Update #2: E-cigarette, or Vaping, Product Use-Associated Lung Injury (EVALI)
Health Update—May 4
Update #15: Coronavirus Disease 2019 (COVID-19)
Health Update—April 30
Update #14: Coronavirus Disease 2019 (COVID-19)
Health Update—April 23
Update #13: Coronavirus Disease 2019 (COVID-19)
Table: Priority Level for Testing Criteria: Federal, State, and County Recommendations
Health Update—April 17
Update#12: Coronavirus Disease 2019 (COVID-19)
Health Update—April 9
Update #11: Coronavirus Disease 2019 (COVID-19)
Health Update—April 6
Update #10: Coronavirus Disease 2019 (COVID-19)
Health Update—April 3
Update #9: Coronavirus Disease 2019 (COVID-19)
Health Update—April 1
Update #8: Coronavirus Disease 2019 (COVID-19)
Health Update—March 26
Update #7: Coronavirus Disease 2019 (COVID-19)
Health Update—March 19
Update #6: Coronavirus Disease 2019 (COVID-19)
Health Update—March 14
Update #5: Coronavirus Disease 2019 (COVID-19)
Health Update—March 10
Update #4: Coronavirus Disease 2019 (COVID-19)
Health Update—March 5
Update #3: Coronavirus Disease 2019 (COVID-19)
Health Update—February 28
Update #2: Coronavirus Disease 2019 (COVID-19)
Health Update—February 26
Update #3: Mumps in San Diego County
Health Update—February 1
Health Advisory—January 24
Health Advisory—January 10
2019 CAHAN Communications
Health Advisory—December 24
National Increase in Disseminated Gonococcal Infection Cases
Health Advisory—December 4
Severe Myonecrosis and Wound Botulism Associated with Black Tar Heroin
Health Update—November 26
Health Advisory—November 19
Health Update—October 3
Vaping Associated Pulmonary Injury
Health Information—September 25
Disease Reporting Requirement (Title 17) Updates
Health Alert—August 28
Vaping-Associated Pulmonary Injury
Health Information—August 27
Vector-Borne Illnesses of Public Health Significance
Health Alert—August 21
Second Measles Case in San Diego County
Health Alert—August 7
Measles Case in San Diego County
Health Advisory—August 1
Health Information—August 1
Middle East Respiratory Syndrome Coronavirus (MERS-CoV) and the Hajj
Health Update—July 19
Mumps and Acute Parotitis in San Diego
Health Alert—June 29
Shiga toxin-producing Enteric Illnesses Associated with Attendance at County Fair
Health Information—June 26
Animal Rabies in San Diego County
Health Advisory—June 13
Candida auris Detected in California Healthcare Facilities
Health Advisory—June 7
Update #2: Measles Outbreaks in the United States and Overseas
Health Advisory—May 24
Increased Influenza-Like Illness in Local Migrant Shelter
Health Update—April 25
Measles Outbreaks in the United States and Overseas
Health Advisory—March 28
Influenza Season Continues with an Increase in Influenza A(H3N2) Activity
Health Information—March 25
HIV Testing Recommended in All Healthcare Settings
Health Update—March 18
Carbapenem-resistant Pseudomonas aeruginosa Infections after Hospitalization in Tijuana
Health Advisory—March 15
Mumps and Acute Parotitis Cases Increase in San Diego
Health Advisory—February 14
Kawasaki Disease Increased in San Diego
Health Advisory—February 12
Strangulation: Intimate Partner Violence in San Diego County
Health Advisory—January 31
Measles Outbreaks in Washington, New York, and Overseas
Health Advisory—January 25
Infections Associated with Unapproved Stem Cell Injections
Health Alert—January 16
Carbapenem-resistant Pseudomonas aeruginosa
Infections after Surgery in Tijuana
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