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CD Health Alert: 2019 Novel Coronavirus: Orange County UpdateMarch 23, 2020
Orange County has now had over 125 cases of Novel Coronavirus 2019 (COVID-19) reported. There has been a rapid increase in daily reports of COVID-19 cases over the last several days and community transmission is becoming more widespread. At this point the Orange County Health Care Agency (OCHCA) will only be conducting investigations of cases identified in hospitalized patients, health care workers, and residents of congregate living facilities. Providers should inform their patients of test results and give them education on disease prevention and monitoring for worsening disease.
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CD Health Alert: 2019 Novel Coronavirus: Orange County UpdatesMarch 13, 2020
Orange County now has thirteen cases of 2019 Novel Coronavirus Disease (COVID-19) reported, including one case that appears to have been locally transmitted. The Orange County Health Care Agency (OCHCA) is identifying and contacting close community exposures to these cases.
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CD Health Alert: 2019 Novel Coronavirus: Orange County UpdateMarch 9, 2020
Clinical laboratories have announced that COVID-19 testing is now or will soon be available. The CDC has also recently liberalized its guidance for potential testing to a wider group symptomatic patients. Providers should anticipate transitioning to using commercial laboratories for clinical testing.
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CD Health Alert: 2019 Novel Coronavirus: Orange County UpdatesMarch 4, 2020
The second and third Orange County cases of 2019 Novel Coronavirus Disease (COVID-19) were confirmed yesterday. Both cases had a history of recent international travel to a country with known local spread of COVID-19. The Orange County Health Care Agency (OCHCA) is identifying and contacting any community exposures to these cases.
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Declaration of a Local Health EmergencyFebruary 26, 2020
County Health Officer Dr. Nichole Quick signed a local health emergency declaration on 2/26/20 regarding COVID-19. This is part of broader preparedness efforts and will help ensure our response remains flexible and can evolve as the situation does.
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CDPH Press Release: Two Confirmed Cases of Novel Coronavirus in CaliforniaJanuary 26, 2020
The California Department of Public Health (CDPH) has been informed that one individual in Los Angeles County and one individual in Orange County have tested positive for novel coronavirus 2019 (nCoV-2019). This information is confirmed by the Los Angeles County Department of Public Health (LADPH), the Orange County Health Care Agency (OCHCA), and the U. S. Centers for Disease Control and Prevention (CDC).
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CD Health Alert: Increase in Mumps Cases in Orange CountyNovember 8, 2019
Since the beginning of 2019, 20 cases of mumps have been identified in Orange County residents. Three cases had onset in October. Median age of cases was 25 years (range 10 to 68 years), 60% were male. 16 (80%) out of 20 cases self-reported mumps virus immunization. 11 (55%) out of 20 cases had no history of international travel or contact with a known case, indicating local spread of mumps virus.
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CD Health Alert: Potential Public Exposures to Measles CaseOctober 23, 2019
The OC Health Care Agency (HCA) has confirmed that a Los Angeles resident vistited Disneyland Park while infectious with measles on Wednesday, October 16th. The Orange County Health Care Agency and the Los Angeles Department of Public Health are conducting a coordinated investigation to identify any potential exposures and cases.
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CD Health Alert: Potential Public Exposures to International Measles CaseAugust 23, 2019
The Orange Count Health Care Agency (HCA) has confirmed that a teenage resident of New Zealand who traveled to Southern California (Orange and Los Angeles County) from August 11 through August 15, 2019 was infectious with measles during this period. The case acquired measles infection in New Zealand prior to travel.
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Eye on Influenza 2018-19 Season SummaryJuly 24, 2019
Each influenza season, Orange County Health Care Agency partners with local hospitals, primary care providers, universities, and colleges to conduct influenza surveillance.
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CD Health Alert: Update: Candida auris in Orange CountyJuly 2, 2019
Patients colonized or infected with Candida auris ( C. auris ) continue to be identified in Orange County.
Point prevalence surveys, with testing of all residents of a facility, have been completed in all long term acute care hospitals (LTACs) and skilled nursing facilities that provide ventilator (vSNFs) in Orange County.
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CD Health Alert: Update: Candida auris in Orange CountyMay 30, 2019
Patients colonized or infected with Candida auris ( C. auris ) continue to be identified in Orange County. In communities experiencing C. auris outbreaks in this country, colonization rates have consistently been highest in residents of long term acute care hospitals (LTACs) and skilled nursing facilities that provide ventilator care (vSNFs).
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CD Health Alert: Update: Measles Cases Confirmed in Orange CountyMay 17, 2019
One additional Orange County measles case was identified this week, a close contact of a previously identified case. In the last three weeks, four cases of measles have been identified who have Orange County connections: three Orange County residents and a Long Beach resident who is a student at the University of California-Irvine. Orange County clinicians should consider measles in patients who have the appropriate clinical presentation.
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CD Health Alert: Update: Measles Cases Confirmed in Orange CountyMay 7, 2019
Two cases of measles infection have been diagnosed in Orange County (OC) residents in the last ten days. One is an adult who acquired measles through international travel, the other is a child under a year of age who has no history of travel. An additional case has been identified in an adult resident of Long Beach who is a student at the University of California, Irvine and has no travel history. None of the these cases have a known social connection to each other.
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Potential Public Exposure To Measles CasesMay 4, 2019
The OC Health Care Agency (HCA) has confirmed the second case of measles in 2019, an infant under the age of 1 who is too young to have been vaccinated and is currently hospitalized. This case has no history of international travel. The infant was seen at the Children’s Hospital of Orange County (CHOC) emergency department while infectious.
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Potential Public Exposure To Measles CaseApril 30, 2019
The OC Health Care Agency (HCA) has confirmed the first case of measles in 2019, a resident of Placentia in her 20s who reported recent international travel to one of many countries currently experiencing widespread measles activity. The individual is considered infectious between April 23 and May 1, 2019 and is currently under voluntary isolation at home.
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CD Health Alert: Measles on the RiseApril 15, 2019
Measles cases in the U.S. in the first three months of 2019 have already surpassed the year-end totals for every year except 2014 since ongoing transmission of measles was eliminated in this country nearly two decades ago.
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CD Health Alert: Increase in Hepatitis A Cases With No History of TravelMarch 7, 2019
The Orange County Health Care Agency has received 10 reports of acute hepatitis A virus (HAV) infection in Orange County residents since September 1, 2018. Median case age is 48 years (range 27-69 years); 5 females, 5 males; 50% self-report as Not-Hispanic or Latino/White. Eight of these cases reported no history of travel to areas with ongoing HAV transmission or exposure to a known case. One of the eight cases reported illicit drug use, none reported experiencing homelessness. No common social or geographic exposures have been identified. None reported receiving hepatitis A vaccination in the past. Four cases with no history of travel have had genotyping performed, all were found to be infected with distinct HAV strains, indicating repeated introduction of HAV into the County.
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Provider Advisory: Legionnaire's Disease in Garden GroveJanuary 9, 2019
The Orange County Health Care Agency (OCHCA) has recently identified four cases of Legionnaire’s disease in residents of Garden Grove. The first case had an illness onset date of December 21, 2018. OCHCA is currently investigating the cases; a common exposure has not been identified.
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Provider Advisory: Hepatitis A Cases With No History of Travel in Orange CountySeptember 21, 2018
Orange County Public Health has received three reports in the last month of acute hepatitis A virus (HAV) illness in persons with no recent history of travel or exposure to a known case. All three cases are male, with an age range of 30 to 65 years and illness onset dates ranging from August 14 to September 15. The three have no identified common social contacts. None report a history of injection or noninjection drug use or homelessness; one has a history of having sex with men. None report receiving hepatitis A vaccine in the past.
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CD Connection Newsletter - JuneJune 29, 2018
Endemic (Flea-Borne) Typhus Update
Flea-borne typhus is endemic in Orange County and cases may occur at any time. Incidence generally increases in the upcoming summer months in our area. Clinicians should consider typhus in patients with compatible symptoms and send testing.
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Eye on Influenza 2017-18 Vol 8March 9, 2018
It's Still Not Too Late to Get Vaccinated! Based on voluntary healthcare facility reporting, influenza appears to have peaked during week 52.
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Eye on Influenza 2017-18 Vol 6February 2, 2018
Influenza Viruses Continue to Circulate in Orange County
Although influenza viruses continue to circulate, overall activity has steadily decreased since week 1 (ending 1/6/2018).
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CD News Flash Newsletter Vol 4January 25, 2018
It's Not Too Late to Get Vaccinated
Although the first wave of influenza this season seems to have peaked in Orange County in late December/early January, activity is still high and we expect influenza to be circulating over the next several weeks to months.
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Eye on Influenza 2017-18 Vol 5January 19, 2018
Severe Cases of Influenza Continue to be Reported in Orange County
Although influenza activity has decreased in the past few weeks, overall activity in Orange County continues to be elevated and influenza strains are expected to circulate for several more weeks to months.
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Eye on Influenza 2017-18 Vol 4January 12, 2018
Influenza Activity Continues at High Levels in Orange County
Orange County continues to receive large numbers of influenza reports, outbreaks in long term care facilities and other group settings, and severe cases (less than 65 years of age hospitalized in intensive care or who died).
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CD News Flash Newsletter Vol 3January 10, 2018
Influenza Activity Still High in Orange County
The Orange County Health Care Agency continues to receive large numbers of reports of influenza, including severe cases (less than 65 years of age who were hospitalized in intensive care or who died), and outbreaks. Circulating viruses are mainly influenza A H3N2 which has been associated with increased hospitalizations and lower vaccine effectiveness in past seasons.
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