Megan E. Gerdes

ORCID: 0000-0003-4047-3585
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About
Contact & Profiles
Research Areas
  • Wastewater Treatment and Reuse
  • Fecal contamination and water quality
  • COVID-19 Clinical Research Studies
  • Legionella and Acanthamoeba research
  • Environmental Education and Sustainability
  • Pediatric health and respiratory diseases
  • Vibrio bacteria research studies
  • Parasitic Infections and Diagnostics
  • COVID-19 Impact on Reproduction
  • Listeria monocytogenes in Food Safety
  • Environmental Justice and Health Disparities
  • Antibiotic Use and Resistance
  • Viral gastroenteritis research and epidemiology
  • Pneumonia and Respiratory Infections
  • Water-Energy-Food Nexus Studies
  • SARS-CoV-2 and COVID-19 Research
  • Water Treatment and Disinfection
  • Kawasaki Disease and Coronary Complications
  • Urban Heat Island Mitigation
  • Salmonella and Campylobacter epidemiology
  • Intensive Care Unit Cognitive Disorders
  • Child Nutrition and Water Access
  • Urban Green Space and Health
  • Urban Agriculture and Sustainability
  • Water resources management and optimization

University of Maryland, College Park
2019-2023

Oak Ridge Institute for Science and Education
2021-2022

Oak Ridge Associated Universities
2021-2022

Waterborne Environmental (United States)
2022

Centers for Disease Control and Prevention
2022

Computer Emergency Response Team
2022

AID Atlanta
2021

Center for Surveillance, Epidemiology, and Laboratory Services
2021

National Center for Emerging and Zoonotic Infectious Diseases
2021

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

During June 2021, the highly transmissible† B.1.617.2 (Delta) variant of SARS-CoV-2, virus that causes COVID-19, became predominant circulating strain in United States. U.S. pediatric COVID-19-related hospitalizations increased during July-August 2021 following emergence Delta and peaked September 2021.§ As May 12, CDC recommended COVID-19 vaccinations for persons aged ≥12 years,¶ on November 2, were 5-11 years.** To date, clinical signs symptoms, illness course, factors contributing to...

10.15585/mmwr.mm705152a3 article EN MMWR Morbidity and Mortality Weekly Report 2021-12-30

Abbreviations: CI = confidence interval; N/A not applicable.* p-value for weighted Wald chi-square test; all p-values <0.05 indicate significant differences.† Unweighted number of persons who received positive or negative SARS-CoV-2 test results.§ 189 698 respondents a result and 961 2,437 reported receiving 1 dose vaccine.¶ Respondents ever experienced long-term symptom at least vaccine dose.** Includes those reporting made symptoms lot better, somewhat little better.† † worse, worse.

10.15585/mmwr.mm7036a1 article EN MMWR Morbidity and Mortality Weekly Report 2021-09-09

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

The COVID-19 pandemic impacted mental health. Growing research has identified the health benefits of nature contact, including gardening. We used a cross-sectional survey to investigate association between gardening and other outdoor activities with anxiety among U.S. adults. RANG (Reducing Anxiety Nature Gardening) was distributed online from June–September 2020 through social media (Twitter Facebook) national Master Gardeners listserv. Survey questions captured demographics, experiences,...

10.3390/ijerph19095121 article EN International Journal of Environmental Research and Public Health 2022-04-22

Outbreaks associated with treated recreational water can be caused by pathogens or chemicals in aquatic venues such as pools, hot tubs, playgrounds, other artificially constructed structures that are intended for therapeutic purposes.For the period 2015-2019, public health officials from 36 states and District of Columbia (DC) voluntarily reported 208 outbreaks water.Almost all (199; 96%) were (nonbackyard) playgrounds.These resulted at least 3,646 cases illness, 286 hospitalizations, 13...

10.15585/mmwr.mm7020a1 article EN MMWR Morbidity and Mortality Weekly Report 2021-05-20

Abstract Objective: To describe national antibiotic prescribing for acute gastroenteritis (AGE). Setting: Ambulatory care. Methods: We included visits with diagnoses bacterial and viral gastrointestinal infections from the National Medical Care Survey Hospital (NAMCS/NHAMCS; 2006–2015) IBM Watson 2014 MarketScan Commercial Claims Encounters Database. For NAMCS/NHAMCS, we calculated annual percentage estimates 99% confidence intervals (CIs) of antibiotics prescribed; sample sizes were too...

10.1017/ice.2021.522 article EN cc-by Infection Control and Hospital Epidemiology 2022-08-26

&amp;lt;p&amp;gt;Enteric bacterial pathogens in irrigation water can be a public health and food safety issue when contaminating produce. Microbial quality varies depending on the location type of source. We hypothesis temporally stable spatial patterns levels Salmonella enterica&amp;lt;strong&amp;gt; &amp;lt;/strong&amp;gt;and Listeria monocytogenes exist individual sources same region. To test this hypothesis, samples were collected from six mid-Atlantic U.S over two years, twice every...

10.5194/egusphere-egu21-6109 article EN 2021-03-04
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