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Workshop on Visual Analytics in Healthcare (VAHC) ; : 1-3, 2020.
Article in English | Web of Science | ID: covidwho-1868555


To manage a localized outbreak or global pandemic like COVID-19, Public Health agencies (PH) and health systems utilize a variety of information systems. Although existing PH information systems enable capture of data on laboratory-confirmed cases of COVID-19, the current pandemic has illuminated several deficits in the existing U.S. information infrastructure, including gaps in access to and visualization of near-real-time (daily) impacts to the healthcare system. To address these gaps, we leveraged our state-wide health information exchange-derived dataset that represents nearly all healthcare facilities in Indiana. The resultant dashboard has evolved to present data on hospitalization, emergency department utilization, and other metrics of interest to PH and a broader constituency across the state.

Morbidity and Mortality Weekly Report ; 71(7):255-263, 2022.
Article in English | GIM | ID: covidwho-1812722


What is already known about this topic? Protection against COVID-19 after 2 doses of mRNA vaccine wanes, but little is known about durability of protection after 3 doses. What is added by this report? Vaccine effectiveness (VE) against COVID-19-associated emergency department/urgent care (ED/UC) visits and hospitalizations was higher after the third dose than after the second dose but waned with time since vaccination. During the Omicron-predominant period, VE against COVID-19-associated ED/UC visits and hospitalizations was 87% and 91%, respectively, during the 2 months after a third dose and decreased to 66% and 78% by the fourth month after a third dose. Protection against hospitalizations exceeded that against ED/UC visits. What are the implications for public health practice? All eligible persons should remain up to date with recommended COVID-19 vaccinations to best protect against COVID-19-associated hospitalizations and ED/UC visits.

Journal of the International Society for Telemedicine and eHealth ; 8(54), 2020.
Article in English | GIM | ID: covidwho-1050830


The discipline of public health informatics, part of the broader eHealth field, brings methods, knowledge, and theories from computer science and information science to support population health and well-being. This branch of informatics is most often found in governmental public health agencies that focus on population-level activities, including surveillance of disease as well as disease prevention. There are several specialised public health information systems used to prevent or mitigate disease, including syndromic surveillance, electronic laboratory reporting, and population health dashboards. This article defines and describes public health informatics and its role in eHealth. The article further discusses the role of public health information systems and challenges they face for the future. Strengthening public health will require greater investment in interoperability as well as analytics and the workforce. Disease outbreaks like COVID-19, Ebola, and H1N1 demonstrate the need for robust public health informatics applications and methods. Yet there is much work to be done to evolve existing tools and methods to strengthen the public health infrastructure for the next pandemic.