Patricia Ryan
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View article: Influenza-Associated Hospitalizations During a High Severity Season — Influenza Hospitalization Surveillance Network, United States, 2024–25 Influenza Season
Influenza-Associated Hospitalizations During a High Severity Season — Influenza Hospitalization Surveillance Network, United States, 2024–25 Influenza Season Open
The U.S. 2024-25 influenza season was a high-severity season characterized by co-circulation of influenza A(H1N1)pdm09 and A(H3N2) viruses. Data from the Influenza Hospitalization Surveillance Network covering 9% of the U.S. population, we…
Standardizing early cerebral palsy detection in high-risk infants: reducing age at diagnosis through a quality improvement initiative Open
By implementing and continuously improving a standard process in the NICU and HRIF, we demonstrated a successful increase in screening for CP leading to a lower age at diagnosis sustained for two years.
Hospitalization for COVID-19 and Risk Factors for Severe Disease Among Children: 2022–2024 Open
OBJECTIVES We assessed characteristics associated with pediatric COVID-19 hospitalizations and risk factors for severe disease among hospitalized children aged 6 months and older. METHODS Using data from COVID-19-Associated Hospitalization…
View article: Interim Evaluation of Respiratory Syncytial Virus Hospitalization Rates Among Infants and Young Children After Introduction of Respiratory Syncytial Virus Prevention Products — United States, October 2024–February 2025
Interim Evaluation of Respiratory Syncytial Virus Hospitalization Rates Among Infants and Young Children After Introduction of Respiratory Syncytial Virus Prevention Products — United States, October 2024–February 2025 Open
Maternal respiratory syncytial virus (RSV) vaccine and nirsevimab, a long-acting monoclonal antibody for infants aged 0-7 months and children aged 8-19 months who are at increased risk for severe RSV disease, became widely available for pr…
427. Underlying Medical Conditions and Vaccination Status among U.S. Children Aged ≤17 Years Hospitalized for COVID-19 in COVID-19-Associated Hospitalization Surveillance Network (COVID-NET), January–December 2023 Open
Background SARS-CoV-2 infection can result in serious illness in children. We used COVID-19-Associated Hospitalization Surveillance Network (COVID-NET) data to assess characteristics associated with pediatric COVID-19 hospitalizations, inc…
View article: P-715. Chronic Conditions as Risk Factors for Respiratory Syncytial Virus-Associated Hospitalization among Community-Dwelling Adults Aged ≥50 Years, 2017 to 2018
P-715. Chronic Conditions as Risk Factors for Respiratory Syncytial Virus-Associated Hospitalization among Community-Dwelling Adults Aged ≥50 Years, 2017 to 2018 Open
Background In 2023, CDC recommended respiratory syncytial virus (RSV) vaccination for adults aged ≥ 60 years using shared clinical decision-making. Clinical trials of RSV vaccines in younger age groups are ongoing. Identifying chronic cond…
View article: P-2008. Chronic Conditions as Risk Factors for COVID-19–Associated Hospitalization Among Adults, 2022-2023
P-2008. Chronic Conditions as Risk Factors for COVID-19–Associated Hospitalization Among Adults, 2022-2023 Open
Background Risk factors for COVID-19-associated hospitalizations were identified early in the pandemic. Since then, population immunity to SARS-CoV-2 has increased substantially and hospitalizations for COVID-19 have decreased. Identifying…
View article: Underutilization of Influenza Antiviral Treatment Among Children and Adolescents at Higher Risk for Influenza-Associated Complications — United States, 2023–2024
Underutilization of Influenza Antiviral Treatment Among Children and Adolescents at Higher Risk for Influenza-Associated Complications — United States, 2023–2024 Open
Annually, tens of thousands of U.S. children and adolescents are hospitalized with seasonal influenza virus infection. Both influenza vaccination and early initiation of antiviral treatment can reduce complications of influenza. Using data…
View article: Burden of Respiratory Syncytial Virus–Associated Hospitalizations in US Adults, October 2016 to September 2023
Burden of Respiratory Syncytial Virus–Associated Hospitalizations in US Adults, October 2016 to September 2023 Open
Importance Respiratory syncytial virus (RSV) infection can cause severe illness in adults. However, there is considerable uncertainty in the burden of RSV-associated hospitalizations among adults prior to RSV vaccine introduction. Objectiv…
View article: The Burden of All-Cause Mortality Following Influenza-Associated Hospitalizations: Influenza Hospitalization Surveillance Network, 2010–2019
The Burden of All-Cause Mortality Following Influenza-Associated Hospitalizations: Influenza Hospitalization Surveillance Network, 2010–2019 Open
Background While the estimated number of US influenza-associated deaths is reported annually, detailed data on the epidemiology of influenza-associated deaths, including the burden of in-hospital vs post-hospital discharge deaths, are limi…
View article: Trends in COVID‐19–Attributable Hospitalizations Among Adults With Laboratory‐Confirmed SARS‐CoV‐2—COVID‐NET, June 2020 to September 2023
Trends in COVID‐19–Attributable Hospitalizations Among Adults With Laboratory‐Confirmed SARS‐CoV‐2—COVID‐NET, June 2020 to September 2023 Open
Background Screening for SARS‐CoV‐2 infection among hospital admissions made interpretation of COVID‐19 hospitalization data challenging as SARS‐CoV‐2–positive persons with mild or asymptomatic infection may be incorrectly identified as CO…
View article: COVID-19–Associated Hospitalizations Among U.S. Adults Aged ≥18 Years — COVID-NET, 12 States, October 2023–April 2024
COVID-19–Associated Hospitalizations Among U.S. Adults Aged ≥18 Years — COVID-NET, 12 States, October 2023–April 2024 Open
Among adults, COVID-19 hospitalization rates increase with age. Data from the COVID-19-Associated Hospitalization Surveillance Network were analyzed to estimate population-based COVID-19-associated hospitalization rates during October 2023…
View article: Extrapolating Sentinel Surveillance Information to Estimate National COVID Hospital Admission Rates: A Bayesian Modeling Approach
Extrapolating Sentinel Surveillance Information to Estimate National COVID Hospital Admission Rates: A Bayesian Modeling Approach Open
The COVID‐19‐Associated Hospitalization Surveillance Network (COVID‐NET) was established in March 2020 to monitor trends in hospitalizations associated with SARS‐CoV‐2 infection. COVID‐NET is a geographically diverse population‐based surve…
View article: COVID-19–Associated Hospitalizations and Maternal Vaccination Among Infants Aged <6 Months — COVID-NET, 12 States, October 2022–April 2024
COVID-19–Associated Hospitalizations and Maternal Vaccination Among Infants Aged <6 Months — COVID-NET, 12 States, October 2022–April 2024 Open
Infants aged <6 months are at increased risk for severe COVID-19 disease but are not yet eligible for COVID-19 vaccination; these children depend upon transplacental transfer of maternal antibody, either from vaccination or infection, for …
View article: Timing of Influenza Antiviral Therapy and Risk of Death in Adults Hospitalized With Influenza-Associated Pneumonia, Influenza Hospitalization Surveillance Network (FluSurv-NET), 2012–2019
Timing of Influenza Antiviral Therapy and Risk of Death in Adults Hospitalized With Influenza-Associated Pneumonia, Influenza Hospitalization Surveillance Network (FluSurv-NET), 2012–2019 Open
Background Pneumonia is common in adults hospitalized with laboratory-confirmed influenza, but the association between timeliness of influenza antiviral treatment and severe clinical outcomes in patients with influenza-associated pneumonia…
ACM’s Reserves Enable Its Mission Open
Dek : A Response to William Bowman's Communications Opinion article, "ACM Profits Considered Harmful".
View article: Acute Cardiac Events in Hospitalized Older Adults With Respiratory Syncytial Virus Infection
Acute Cardiac Events in Hospitalized Older Adults With Respiratory Syncytial Virus Infection Open
Importance Respiratory syncytial virus (RSV) infection can cause severe respiratory illness in older adults. Less is known about the cardiac complications of RSV disease compared with those of influenza and SARS-CoV-2 infection. Objective …
View article: Association of Chronic Medical Conditions With Severe Outcomes Among Nonpregnant Adults 18–49 Years Old Hospitalized With Influenza, FluSurv-NET, 2011–2019
Association of Chronic Medical Conditions With Severe Outcomes Among Nonpregnant Adults 18–49 Years Old Hospitalized With Influenza, FluSurv-NET, 2011–2019 Open
Background Older age and chronic conditions are associated with severe influenza outcomes; however, data are only comprehensively available for adults ≥65 years old. Using data from the Influenza Hospitalization Surveillance Network (FluSu…
View article: 2614. Trends in characteristics of influenza-associated hospitalizations among pregnant women, FluSurv-NET 2015-2016 through 2022-2023 seasons
2614. Trends in characteristics of influenza-associated hospitalizations among pregnant women, FluSurv-NET 2015-2016 through 2022-2023 seasons Open
Background Surveillance data from the Influenza Hospitalization Surveillance Network (FluSurv-NET) detected an increase over time in the proportion of hospitalized women of child-bearing age with laboratory-confirmed influenza who were pre…
View article: 473. Trends among hospitalized pregnant patients with laboratory-confirmed SARS-CoV-2 — COVID-NET, 14 U.S. States, January 2021–January 2023
473. Trends among hospitalized pregnant patients with laboratory-confirmed SARS-CoV-2 — COVID-NET, 14 U.S. States, January 2021–January 2023 Open
Background Pregnant persons are at increased risk for adverse outcomes from COVID-19 infection. We describe trends and clinical outcomes among pregnant patients hospitalized with a positive SARS-CoV-2 test. Methods From January 2021–Januar…
View article: 2296. Trends in reasons for hospital admission among adults ≥18 years hospitalized with laboratory-confirmed SARS-CoV-2 infection—COVID-19-Associated Hospitalization Surveillance Network (COVID-NET), 14 U.S. States, June 2020 – January 2023
2296. Trends in reasons for hospital admission among adults ≥18 years hospitalized with laboratory-confirmed SARS-CoV-2 infection—COVID-19-Associated Hospitalization Surveillance Network (COVID-NET), 14 U.S. States, June 2020 – January 2023 Open
Background During the COVID-19 pandemic, hospitals performed widespread screening for SARS-CoV-2, resulting in identification of asymptomatic or mildly ill persons with SARS-CoV-2 who were admitted for other reasons. We examined trends in …
View article: High Influenza Incidence and Disease Severity Among Children and Adolescents Aged <18 Years ― United States, 2022–23 Season
High Influenza Incidence and Disease Severity Among Children and Adolescents Aged <18 Years ― United States, 2022–23 Season Open
During the 2022-23 influenza season, early increases in influenza activity, co-circulation of influenza with other respiratory viruses, and high influenza-associated hospitalization rates, particularly among children and adolescents, were …
View article: COVID-19–Associated Hospitalizations Among U.S. Adults Aged ≥65 Years — COVID-NET, 13 States, January–August 2023
COVID-19–Associated Hospitalizations Among U.S. Adults Aged ≥65 Years — COVID-NET, 13 States, January–August 2023 Open
Adults aged ≥65 years remain at elevated risk for severe COVID-19 disease and have higher COVID-19-associated hospitalization rates compared with those in younger age groups. Data from the COVID-19-Associated Hospitalization Surveillance N…
View article: Characteristics and Outcomes Among Adults Aged ≥60 Years Hospitalized with Laboratory-Confirmed Respiratory Syncytial Virus — RSV-NET, 12 States, July 2022–June 2023
Characteristics and Outcomes Among Adults Aged ≥60 Years Hospitalized with Laboratory-Confirmed Respiratory Syncytial Virus — RSV-NET, 12 States, July 2022–June 2023 Open
Respiratory syncytial virus (RSV) causes substantial morbidity and mortality in older adults. In May 2023, two RSV vaccines were approved for prevention of RSV lower respiratory tract disease in adults aged ≥60 years. In June 2023, CDC rec…
View article: <i>Vital Signs:</i> Influenza Hospitalizations and Vaccination Coverage by Race and Ethnicity—United States, 2009–10 Through 2021–22 Influenza Seasons
<i>Vital Signs:</i> Influenza Hospitalizations and Vaccination Coverage by Race and Ethnicity—United States, 2009–10 Through 2021–22 Influenza Seasons Open
Racial and ethnic disparities in influenza disease severity and influenza vaccination coverage persist. Health care providers should assess patient vaccination status at all medical visits and offer (or provide a referral for) all recommen…
View article: Severity of Disease Among Adults Hospitalized with Laboratory-Confirmed COVID-19 Before and During the Period of SARS-CoV-2 B.1.617.2 (Delta) Predominance — COVID-NET, 14 States, January–August 2021
Severity of Disease Among Adults Hospitalized with Laboratory-Confirmed COVID-19 Before and During the Period of SARS-CoV-2 B.1.617.2 (Delta) Predominance — COVID-NET, 14 States, January–August 2021 Open
In mid-June 2021, B.1.671.2 (Delta) became the predominant variant of SARS-CoV-2, the virus that causes COVID-19, circulating in the United States. As of July 2021, the Delta variant was responsible for nearly all new SARS-CoV-2 infections…
Racial and Ethnic Disparities in Rates of COVID-19–Associated Hospitalization, Intensive Care Unit Admission, and In-Hospital Death in the United States From March 2020 to February 2021 Open
In this cross-sectional analysis, American Indian or Alaska Native, Latino, Black, and Asian or Pacific Islander persons were more likely than White persons to have a COVID-19-associated hospitalization, ICU admission, or in-hospital death…
Census tract socioeconomic indicators and COVID-19-associated hospitalization rates—COVID-NET surveillance areas in 14 states, March 1–April 30, 2020 Open
Objectives Some studies suggested more COVID-19-associated hospitalizations among racial and ethnic minorities. To inform public health practice, the COVID-19-associated Hospitalization Surveillance Network (COVID-NET) quantified associati…