R. Ryan Lash
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View article: Isolation and Quarantine for Coronavirus Disease 2019 in the United States, 2020–2022
Isolation and Quarantine for Coronavirus Disease 2019 in the United States, 2020–2022 Open
Background Public health programs varied in ability to reach people with coronavirus disease 2019 (COVID-19) and their contacts to encourage separation from others. For both adult case patients with COVID-19 and their contacts, we estimate…
View article: Estimates of Cases and Hospitalizations Averted by COVID-19 Case Investigation and Contact Tracing in 14 Health Jurisdictions in the United States
Estimates of Cases and Hospitalizations Averted by COVID-19 Case Investigation and Contact Tracing in 14 Health Jurisdictions in the United States Open
Context: The implementation of case investigation and contact tracing (CICT) for controlling COVID-19 (caused by SARS-CoV-2 virus) has proven challenging due to varying levels of public acceptance and initially constrained resources, espec…
View article: Distribution and Occurrence of <i>Amblyomma maculatum</i> sensu lato (Acari: Ixodidae) and <i>Rickettsia parkeri</i> (Rickettsiales: Rickettsiaceae), Arizona and New Mexico, 2017–2019
Distribution and Occurrence of <i>Amblyomma maculatum</i> sensu lato (Acari: Ixodidae) and <i>Rickettsia parkeri</i> (Rickettsiales: Rickettsiaceae), Arizona and New Mexico, 2017–2019 Open
Amblyomma maculatum Koch sensu lato (s.l.) ticks are the vector of Rickettsia parkeri in Arizona, where nine cases of R. parkeri rickettsiosis have been identified since the initial case in 2014. The current study sought to better define t…
View article: Bourbon Virus in Wild and Domestic Animals, Missouri, USA, 2012–2013
Bourbon Virus in Wild and Domestic Animals, Missouri, USA, 2012–2013 Open
Since its recent discovery, Bourbon virus has been isolated from a human and ticks. To assess exposure of potential vertebrate reservoirs, we assayed banked serum and plasma samples from wildlife and domestic animals in Missouri, USA, for …
View article: Evidence-based risk assessment and communication: a new global dengue-risk map for travellers and clinicians<sup>#</sup>
Evidence-based risk assessment and communication: a new global dengue-risk map for travellers and clinicians<sup>#</sup> Open
These new risk classifications enable detailed consideration of dengue risk, with clearer meaning and a direct link to the evidence that supports the specific classification. Since many infectious diseases have dynamic risk, strong geograp…
View article: Diagnosis and Management of Tickborne Rickettsial Diseases: Rocky Mountain Spotted Fever and Other Spotted Fever Group Rickettsioses, Ehrlichioses, and Anaplasmosis — United States
Diagnosis and Management of Tickborne Rickettsial Diseases: Rocky Mountain Spotted Fever and Other Spotted Fever Group Rickettsioses, Ehrlichioses, and Anaplasmosis — United States Open
Tickborne rickettsial diseases continue to cause severe illness and death in otherwise healthy adults and children, despite the availability of low-cost, effective antibacterial therapy. Recognition early in the clinical course is critical…
View article: Travel Volume to the United States from Countries and U.S. Territories with Local Zika Virus Transmission
Travel Volume to the United States from Countries and U.S. Territories with Local Zika Virus Transmission Open
Travel volume analyses provide important information that can be used to effectively target public health interventions as well as direct public health resources and efforts at local, regional, and country-specific levels.
View article: A Phylogeographic Investigation of African Monkeypox
A Phylogeographic Investigation of African Monkeypox Open
Monkeypox is a zoonotic disease caused by a virus member of the genus Orthopoxvirus and is endemic to Central and Western African countries. Previous work has identified two geographically disjuct clades of monkeypox virus based on the ana…
View article: Serological Investigation of Heartland Virus (Bunyaviridae: Phlebovirus) Exposure in Wild and Domestic Animals Adjacent to Human Case Sites in Missouri 2012–2013
Serological Investigation of Heartland Virus (Bunyaviridae: Phlebovirus) Exposure in Wild and Domestic Animals Adjacent to Human Case Sites in Missouri 2012–2013 Open
Heartland virus (HRTV; Bunyaviridae: Phlebovirus ) has recently emerged as a causative agent of human disease characterized by thrombocytopenia and leukopenia in the United States. The lone star tick ( Amblyomma americanum L.) has been imp…
View article: High prevalence of “Candidatus Rickettsia andeanae” and apparent exclusion of Rickettsia parkeri in adult Amblyomma maculatum (Acari: Ixodidae) from Kansas and Oklahoma
High prevalence of “Candidatus Rickettsia andeanae” and apparent exclusion of Rickettsia parkeri in adult Amblyomma maculatum (Acari: Ixodidae) from Kansas and Oklahoma Open