Jasen Kunz

ORCID: 0000-0002-6215-7682
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About
Contact & Profiles
Research Areas
  • Legionella and Acanthamoeba research
  • Vibrio bacteria research studies
  • Water Treatment and Disinfection
  • Indoor Air Quality and Microbial Exposure
  • Fecal contamination and water quality
  • Infection Control and Ventilation
  • Parasitic Infections and Diagnostics
  • Public Health Policies and Education
  • Water Quality Monitoring Technologies
  • Infection Control in Healthcare
  • COVID-19 and Mental Health
  • Viral gastroenteritis research and epidemiology
  • Advanced Chemical Sensor Technologies
  • Antibiotic Resistance in Bacteria
  • Poisoning and overdose treatments
  • Digital Transformation in Law
  • Travel-related health issues
  • Scientific Measurement and Uncertainty Evaluation
  • Burn Injury Management and Outcomes
  • Antibiotic Use and Resistance
  • Water Quality and Resources Studies
  • Data-Driven Disease Surveillance
  • Healthcare Decision-Making and Restraints
  • Healthcare Facilities Design and Sustainability
  • Conservation Techniques and Studies

Centers for Disease Control and Prevention
2020-2024

National Center for Emerging and Zoonotic Infectious Diseases
2023-2024

Waterborne Environmental (United States)
2024

Lubbock Christian University
2022

Texas Department of State Health Services
2022

University Medical Center
2022

United States Public Health Service
2021

National Park Service
2021

Arkansas Department of Health
2021

National Center for Environmental Health
2016-2021

A recent report described a sharp increase in calls to poison centers related exposures cleaners and disinfectants since the onset of coronavirus disease 2019 (COVID-19) pandemic (1). However, data describing cleaning disinfection practices within household settings United States are limited, particularly concerning those intended prevent transmission SARS-CoV-2, virus that causes COVID-19. To provide contextual behavioral insight into reported center inform timely relevant prevention...

10.15585/mmwr.mm6923e2 article EN MMWR Morbidity and Mortality Weekly Report 2020-06-05

Public health agencies in U.S. states, territories, and freely associated states investigate voluntarily report waterborne disease outbreaks to CDC through the National Outbreak Reporting System (NORS). This summarizes NORS drinking water outbreak epidemiologic, laboratory, environmental data, including data for both public private systems. The presents outbreak-contributing factors (i.e., practices that lead outbreaks) and, first time, categorizes as biofilm pathogen or enteric illness associated.

10.15585/mmwr.ss7301a1 article EN MMWR Surveillance Summaries 2024-03-12

The number of reported cases Legionnaires' disease, a severe pneumonia caused by the bacterium Legionella, is increasing in United States. During 2000-2014, rate legionellosis increased from 0.42 to 1.62 per 100,000 persons; 4% were outbreak-associated. Legionella transmitted through aerosolization contaminated water. A new industry standard for prevention growth and transmission water systems buildings was published 2015. CDC investigated outbreaks disease identify gaps building system...

10.15585/mmwr.mm6522e1 article EN MMWR Morbidity and Mortality Weekly Report 2016-06-07

Outbreaks associated with exposure to treated recreational water can be caused by pathogens or chemicals in venues such as pools, hot tubs/spas, and interactive play (i.e., playgrounds). During 2000-2014, public health officials from 46 states Puerto Rico reported 493 outbreaks water. These resulted at least 27,219 cases eight deaths. Among the 363 a confirmed infectious etiology, 212 (58%) were Cryptosporidium (which causes predominantly gastrointestinal illness), 57 (16%) Legionella...

10.15585/mmwr.mm6719a3 article EN MMWR Morbidity and Mortality Weekly Report 2018-05-17

More than 7.15 million cases of domestically acquired infectious waterborne illnesses occurred in the United States 2014, causing 120,000 hospitalizations and 6,600 deaths. We estimated disease incidence for 17 pathogens according to recreational, drinking, nonrecreational nondrinking (NRND) water exposure routes by using previously published estimates. In a total 5.61 (95% credible interval [CrI] 2.97-9.00 million) were linked recreational water, 1.13 CrI 255,000-3.54 drinking 407,000...

10.3201/eid2907.230231 article EN cc-by Emerging infectious diseases 2023-06-05

Background: Legionnaires' disease, a severe pneumonia, is typically acquired through inhalation of aerosolized water containing Legionella bacteria.Legionella can grow in the complex systems buildings, including health care facilities.Effective management programs could prevent growth building systems.Methods: Using national surveillance data, disease cases were characterized from 21 jurisdictions (20 U.S. states and one large metropolitan area) that reported exposure information for ≥90%...

10.15585/mmwr.mm6622e1 article EN MMWR Morbidity and Mortality Weekly Report 2017-06-06

With the significant increase in use of household cleaners, disinfectants, and hand sanitizers among general population an effort to prevent SARS-CoV-2 transmission, notable knowledge gaps about their safe preparation, use, storage, this report underscores importance educating transplant candidates recipients on proper such cleaning disinfecting products. A recent described a sharp calls poison centers related exposures cleaners disinfectants since onset coronavirus disease 2019 (COVID-19)...

10.1111/ajt.16300 article EN cc-by-nc-nd American Journal of Transplantation 2020-09-30

During July-September 2023, an outbreak of Shiga toxinproducing Escherichia coli O157:H7 illness among children in city A, Utah, caused 13 confirmed illnesses; seven patients were hospitalized, including two with hemolytic uremic syndrome.Local, state, and federal public health partners investigating the linked illnesses to untreated, pressurized, municipal irrigation water (UPMIW) exposure A; 12 ill reported playing or drinking UPMIW.Clinical isolates genetically highly related one another...

10.15585/mmwr.mm7318a1 article EN MMWR Morbidity and Mortality Weekly Report 2024-05-09

Background: The number of reported cases Legionnaires' disease, a severe pneumonia caused by the bacterium Legionella, is increasing in United States. During 2000–2014, rate legionellosis increased from 0.42 to 1.62 per 100 000 persons; 4% were outbreak-associated. Legionella transmitted through aerosolization contaminated water. A new industry standard for prevention growth and transmission water systems buildings was published 2015. CDC investigated outbreaks disease identify gaps building...

10.1111/ajt.14024 article EN cc-by-nc-nd American Journal of Transplantation 2016-09-26

The Model Aquatic Health Code from the Centers for Disease Control and Prevention is a tool to prevent injury illness linked aquatic venues (e.g., pools, hot tubs, splash pads) that are open public. This column highlights changes made recently released 5th edition of code.

10.70387/001c.137197 article EN Journal of environmental health 2025-05-01

Cleaning and disinfection of frequently touched surfaces frequent hand hygiene are recommended measures to prevent transmission SARS-CoV-2, the virus that causes COVID-19. Since onset COVID-19 pandemic, poison center calls regarding exposures cleaners, disinfectants, sanitizers have increased as compared with prior years, indicating a need evaluate household safety precautions. An opt-in Internet panel survey 502 U.S. adults was conducted in May 2020. Survey items evaluated knowledge use...

10.4269/ajtmh.20-1119 article EN cc-by-nc American Journal of Tropical Medicine and Hygiene 2020-12-29

Legionella, the bacterium that causes Legionnaires' disease, can grow and spread in building water systems devices. The COVID-19 pandemic impacted through reductions usage. Legionella growth risk factors be mitigated control measures, such as flushing, to address stagnation, part of a management program (WMP). A national lodging organization (NLO) provided WMP data, including environmental testing results for periods before during pandemic. statistical analysis revealed an increased samples...

10.3390/ijerph20196885 article EN International Journal of Environmental Research and Public Health 2023-10-05

This report summarizes trends in outbreaks associated with recreational water use from 2000–2014, which include infections pathogens of concern for transplant recipients, such as Legionella and Cryptosporidium May 18, 2018/67(19);547–551 Outbreaks exposure to treated can be caused by or chemicals venues pools, hot tubs/spas, interactive play (i.e., playgrounds). During public health officials 46 states Puerto Rico reported 493 water. These resulted at least 27,219 cases eight deaths. Among...

10.1111/ajt.14956 article EN cc-by-nc-nd American Journal of Transplantation 2018-07-01

Problem/Condition: Aquatic facility-associated illness and injury in the United States include disease outbreaks of infectious or chemical etiology, drowning, pool chemical-associated health events (e.g., respiratory distress burns).These conditions affect persons all ages, particularly young children, can lead to disability even death.A total 650 aquatic have been reported CDC for 1978-2012.During 1999-2010, drownings resulted approximately 4,000 deaths each year States.Drowning is leading...

10.15585/mmwr.ss6505a1 article EN MMWR Surveillance Summaries 2016-05-19

We piloted a methodology for collecting and interpreting root cause—or environmental deficiency (ED)—information from Legionnaires’ disease (LD) outbreak investigation reports. The included classification framework to assess common failures observed in the implementation of water management programs (WMPs). reviewed reports fourteen CDC-led investigations between 1 January 2015 21 June 2019 identify EDs associated with outbreaks LD. developed an abstraction guide standardize data collection...

10.3390/microorganisms9010089 article EN cc-by Microorganisms 2021-01-01

During June 2017-November 2019, a total 36 patients with carbapenem-resistant Pseudomonas aeruginosa harboring Verona-integron-encoded metallo-β-lactamase were identified in city western Texas, USA. A faucet contaminated the organism, through environmental sampling, specialty care room was likely source for infection subset of patients.

10.3201/eid2810.220731 article EN cc-by Emerging infectious diseases 2022-09-23

Objectives: On September 23, 2019, the North Carolina Division of Public Health identified a legionellosis increase in western Carolina; most patients had recently attended Mountain State Fair. We conducted source investigation. Methods: Cases were fair attendees with laboratory-confirmed and symptom onset within 2 to 14 days (Legionnaires’ disease) or ≤3 (Pontiac fever). case-control study matching cases non-ill as control participants an environmental investigation, we performed laboratory...

10.1177/00333549231159159 article EN Public Health Reports 2023-03-27

Cooling towers containing Legionella spp are a high-risk source of Legionnaires' disease outbreaks. Manually locating cooling from aerial imagery during outbreak investigations requires expertise, is labour intensive, and can be prone to errors. We aimed train deep learning computer vision model automatically detect that aerially visible.

10.1016/s2589-7500(24)00094-3 article EN cc-by-nc-nd The Lancet Digital Health 2024-06-19

A better understanding of risk factors and the predictive capability water management program (WMP) data in detecting Legionella are needed to inform efforts aimed at reducing growth preventing outbreaks Legionnaires’ disease. Using WMPs testing from a national lodging organization United States, we (1) identify associated with detection (2) assess ability WMP disinfectant temperature metrics predict detection. We conducted logistic regression analysis serogroup 1 (SG1) also estimated values...

10.3390/ijerph21070939 article EN International Journal of Environmental Research and Public Health 2024-07-18
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